Finding the Fourth Proportional to 838,086.57, 1,156,537.29 and 456,105.15

Step by Step Solution

1. Step 1: Write the proportion equation
   838,086.57 : 1,156,537.29 = 456,105.15 : x
2. Step 2: Convert to fraction form
   838,086.57/1,156,537.29 = 456,105.15/x
3. Step 3: Cross multiply
   838,086.57x = 1,156,537.29 × 456,105.15
4. Step 4: Simplify right side
   838,086.57x = 527,502,614,136.04
5. Step 5: Solve for x
   x = 527,502,614,136.04/838,086.57
6. Step 6: Final answer
   x = 629,413.04