Finding the Fourth Proportional to 1,037.52, 1,432.02 and 664.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,037.52 : 1,432.02 = 664.83 : x
2. Step 2: Convert to fraction form
   1,037.52/1,432.02 = 664.83/x
3. Step 3: Cross multiply
   1,037.52x = 1,432.02 × 664.83
4. Step 4: Simplify right side
   1,037.52x = 952,049.86
5. Step 5: Solve for x
   x = 952,049.86/1,037.52
6. Step 6: Final answer
   x = 917.62