Finding the Fourth Proportional to 9,243,721.16, 12,755,951.98 and 5,057,385.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,243,721.16 : 12,755,951.98 = 5,057,385.50 : x
2. Step 2: Convert to fraction form
   9,243,721.16/12,755,951.98 = 5,057,385.50/x
3. Step 3: Cross multiply
   9,243,721.16x = 12,755,951.98 × 5,057,385.50
4. Step 4: Simplify right side
   9,243,721.16x = 64,511,766,601,594.70
5. Step 5: Solve for x
   x = 64,511,766,601,594.70/9,243,721.16
6. Step 6: Final answer
   x = 6,978,982.33