Finding the Fourth Proportional to 1,079,737.31, 1,490,037.50 and 627,057.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,079,737.31 : 1,490,037.50 = 627,057.47 : x
2. Step 2: Convert to fraction form
   1,079,737.31/1,490,037.50 = 627,057.47/x
3. Step 3: Cross multiply
   1,079,737.31x = 1,490,037.50 × 627,057.47
4. Step 4: Simplify right side
   1,079,737.31x = 934,339,150,247.86
5. Step 5: Solve for x
   x = 934,339,150,247.86/1,079,737.31
6. Step 6: Final answer
   x = 865,339.32