Finding the Fourth Proportional to 527,831.16, 791,746.50 and 456,541.89

Step by Step Solution

1. Step 1: Write the proportion equation
   527,831.16 : 791,746.50 = 456,541.89 : x
2. Step 2: Convert to fraction form
   527,831.16/791,746.50 = 456,541.89/x
3. Step 3: Cross multiply
   527,831.16x = 791,746.50 × 456,541.89
4. Step 4: Simplify right side
   527,831.16x = 361,465,443,510.89
5. Step 5: Solve for x
   x = 361,465,443,510.89/527,831.16
6. Step 6: Final answer
   x = 684,812.63