Finding the Fourth Proportional to 22,553,238.42, 31,123,468.92 and 12,239,961.48

Step by Step Solution

1. Step 1: Write the proportion equation
   22,553,238.42 : 31,123,468.92 = 12,239,961.48 : x
2. Step 2: Convert to fraction form
   22,553,238.42/31,123,468.92 = 12,239,961.48/x
3. Step 3: Cross multiply
   22,553,238.42x = 31,123,468.92 × 12,239,961.48
4. Step 4: Simplify right side
   22,553,238.42x = 380,950,060,704,777.25
5. Step 5: Solve for x
   x = 380,950,060,704,777.25/22,553,238.42
6. Step 6: Final answer
   x = 16,891,146.79