Finding the Fourth Proportional to 1,053,939.72, 1,454,435.59 and 570,504.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,053,939.72 : 1,454,435.59 = 570,504.73 : x
2. Step 2: Convert to fraction form
   1,053,939.72/1,454,435.59 = 570,504.73/x
3. Step 3: Cross multiply
   1,053,939.72x = 1,454,435.59 × 570,504.73
4. Step 4: Simplify right side
   1,053,939.72x = 829,762,383,575.34
5. Step 5: Solve for x
   x = 829,762,383,575.34/1,053,939.72
6. Step 6: Final answer
   x = 787,295.87