Finding the Fourth Proportional to 105,025,333.57, 144,800,227.09 and 86,117,252.60

Step by Step Solution

1. Step 1: Write the proportion equation
   105,025,333.57 : 144,800,227.09 = 86,117,252.60 : x
2. Step 2: Convert to fraction form
   105,025,333.57/144,800,227.09 = 86,117,252.60/x
3. Step 3: Cross multiply
   105,025,333.57x = 144,800,227.09 × 86,117,252.60
4. Step 4: Simplify right side
   105,025,333.57x = 12,469,797,732,846,892
5. Step 5: Solve for x
   x = 12,469,797,732,846,892/105,025,333.57
6. Step 6: Final answer
   x = 118,731,331.85