Finding the Fourth Proportional to 22,231,562.86, 30,682,778.36 and 12,810,521.04

Step by Step Solution

1. Step 1: Write the proportion equation
   22,231,562.86 : 30,682,778.36 = 12,810,521.04 : x
2. Step 2: Convert to fraction form
   22,231,562.86/30,682,778.36 = 12,810,521.04/x
3. Step 3: Cross multiply
   22,231,562.86x = 30,682,778.36 × 12,810,521.04
4. Step 4: Simplify right side
   22,231,562.86x = 393,062,377,746,436.69
5. Step 5: Solve for x
   x = 393,062,377,746,436.69/22,231,562.86
6. Step 6: Final answer
   x = 17,680,375.43