Finding the Fourth Proportional to 820,502.73, 1,132,291.31 and 457,922.61

Step by Step Solution

1. Step 1: Write the proportion equation
   820,502.73 : 1,132,291.31 = 457,922.61 : x
2. Step 2: Convert to fraction form
   820,502.73/1,132,291.31 = 457,922.61/x
3. Step 3: Cross multiply
   820,502.73x = 1,132,291.31 × 457,922.61
4. Step 4: Simplify right side
   820,502.73x = 518,501,789,665.91
5. Step 5: Solve for x
   x = 518,501,789,665.91/820,502.73
6. Step 6: Final answer
   x = 631,931.83