Finding the Fourth Proportional to 1,131.97, 1,562.33 and 738.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,131.97 : 1,562.33 = 738.31 : x
2. Step 2: Convert to fraction form
   1,131.97/1,562.33 = 738.31/x
3. Step 3: Cross multiply
   1,131.97x = 1,562.33 × 738.31
4. Step 4: Simplify right side
   1,131.97x = 1,153,476.05
5. Step 5: Solve for x
   x = 1,153,476.05/1,131.97
6. Step 6: Final answer
   x = 1,019.00