Finding the Fourth Proportional to 22,472,885.92, 31,012,362.12 and 12,159,382.72

Step by Step Solution

1. Step 1: Write the proportion equation
   22,472,885.92 : 31,012,362.12 = 12,159,382.72 : x
2. Step 2: Convert to fraction form
   22,472,885.92/31,012,362.12 = 12,159,382.72/x
3. Step 3: Cross multiply
   22,472,885.92x = 31,012,362.12 × 12,159,382.72
4. Step 4: Simplify right side
   22,472,885.92x = 377,091,180,068,310.62
5. Step 5: Solve for x
   x = 377,091,180,068,310.62/22,472,885.92
6. Step 6: Final answer
   x = 16,779,828.88