Finding the Fourth Proportional to 22,783,139.37, 31,439,521.17 and 12,467,869.56

Step by Step Solution

1. Step 1: Write the proportion equation
   22,783,139.37 : 31,439,521.17 = 12,467,869.56 : x
2. Step 2: Convert to fraction form
   22,783,139.37/31,439,521.17 = 12,467,869.56/x
3. Step 3: Cross multiply
   22,783,139.37x = 31,439,521.17 × 12,467,869.56
4. Step 4: Simplify right side
   22,783,139.37x = 391,983,848,976,418.62
5. Step 5: Solve for x
   x = 391,983,848,976,418.62/22,783,139.37
6. Step 6: Final answer
   x = 17,204,997.20