Finding the Fourth Proportional to 22,157,471.10, 30,582,411.94 and 12,993,066.30

Step by Step Solution

1. Step 1: Write the proportion equation
   22,157,471.10 : 30,582,411.94 = 12,993,066.30 : x
2. Step 2: Convert to fraction form
   22,157,471.10/30,582,411.94 = 12,993,066.30/x
3. Step 3: Cross multiply
   22,157,471.10x = 30,582,411.94 × 12,993,066.30
4. Step 4: Simplify right side
   22,157,471.10x = 397,359,305,950,331.69
5. Step 5: Solve for x
   x = 397,359,305,950,331.69/22,157,471.10
6. Step 6: Final answer
   x = 17,933,423.19