The words "fourth" and "eleventh" are the ordinal forms of "four" and "eleven." You may need to make explicit the event from which the writer counts the years. Alternate translation: "the fourth year after Solomon became king ... the eleventh year after Solomon became king" (See: [[rc://en/ta/man/translate/translate-ordinal]] and [[rc://en/ta/man/translate/figs-explicit]])
"Bul" is the eighth month of the Hebrew calendar. It is during the last part of October and the first part of November on Western calendars. (See: [[rc://en/ta/man/translate/translate-hebrewmonths]] and [[rc://en/ta/man/translate/translate-ordinal]] and [[rc://en/ta/man/translate/translate-names]])
# the house was finished in all its parts and conforming to all its specifications
This can be translated in active form. Alternate translation: "they finished building every part of the house. They built it exactly the way Solomon had told them to build it"
Solomon would have commanded his workers to do this work. Alternate translation: "It took Solomon's workers" (See: [[rc://en/ta/man/translate/figs-metonymy]])