Finding the Fourth Proportional to 838,065.57, 1,156,508.33 and 456,084.15

Step by Step Solution

1. Step 1: Write the proportion equation
   838,065.57 : 1,156,508.33 = 456,084.15 : x
2. Step 2: Convert to fraction form
   838,065.57/1,156,508.33 = 456,084.15/x
3. Step 3: Cross multiply
   838,065.57x = 1,156,508.33 × 456,084.15
4. Step 4: Simplify right side
   838,065.57x = 527,465,116,375.55
5. Step 5: Solve for x
   x = 527,465,116,375.55/838,065.57
6. Step 6: Final answer
   x = 629,384.07