Finding the Fourth Proportional to 1,023.29, 1,411.89 and 603.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,023.29 : 1,411.89 = 603.61 : x
2. Step 2: Convert to fraction form
   1,023.29/1,411.89 = 603.61/x
3. Step 3: Cross multiply
   1,023.29x = 1,411.89 × 603.61
4. Step 4: Simplify right side
   1,023.29x = 852,223.86
5. Step 5: Solve for x
   x = 852,223.86/1,023.29
6. Step 6: Final answer
   x = 832.83