Finding the Fourth Proportional to 1,124.32, 1,550.69 and 731.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,124.32 : 1,550.69 = 731.47 : x
2. Step 2: Convert to fraction form
   1,124.32/1,550.69 = 731.47/x
3. Step 3: Cross multiply
   1,124.32x = 1,550.69 × 731.47
4. Step 4: Simplify right side
   1,124.32x = 1,134,279.56
5. Step 5: Solve for x
   x = 1,134,279.56/1,124.32
6. Step 6: Final answer
   x = 1,008.86