Finding the Fourth Proportional to 22,429,333.72, 30,952,508.70 and 12,116,057.32

Step by Step Solution

1. Step 1: Write the proportion equation
   22,429,333.72 : 30,952,508.70 = 12,116,057.32 : x
2. Step 2: Convert to fraction form
   22,429,333.72/30,952,508.70 = 12,116,057.32/x
3. Step 3: Cross multiply
   22,429,333.72x = 30,952,508.70 × 12,116,057.32
4. Step 4: Simplify right side
   22,429,333.72x = 375,022,369,606,998.69
5. Step 5: Solve for x
   x = 375,022,369,606,998.69/22,429,333.72
6. Step 6: Final answer
   x = 16,720,174.32