Finding the Fourth Proportional to 1,032.32, 1,423.52 and 717.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,032.32 : 1,423.52 = 717.94 : x
2. Step 2: Convert to fraction form
   1,032.32/1,423.52 = 717.94/x
3. Step 3: Cross multiply
   1,032.32x = 1,423.52 × 717.94
4. Step 4: Simplify right side
   1,032.32x = 1,022,001.95
5. Step 5: Solve for x
   x = 1,022,001.95/1,032.32
6. Step 6: Final answer
   x = 990.00