Finding the Fourth Proportional to 1,150.31, 1,587.80 and 736.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,150.31 : 1,587.80 = 736.31 : x
2. Step 2: Convert to fraction form
   1,150.31/1,587.80 = 736.31/x
3. Step 3: Cross multiply
   1,150.31x = 1,587.80 × 736.31
4. Step 4: Simplify right side
   1,150.31x = 1,169,118.83
5. Step 5: Solve for x
   x = 1,169,118.83/1,150.31
6. Step 6: Final answer
   x = 1,016.35