Finding the Fourth Proportional to 72,141.71, 108,118.22 and 38,789.96

Step by Step Solution

1. Step 1: Write the proportion equation
   72,141.71 : 108,118.22 = 38,789.96 : x
2. Step 2: Convert to fraction form
   72,141.71/108,118.22 = 38,789.96/x
3. Step 3: Cross multiply
   72,141.71x = 108,118.22 × 38,789.96
4. Step 4: Simplify right side
   72,141.71x = 4,193,901,715.87
5. Step 5: Solve for x
   x = 4,193,901,715.87/72,141.71
6. Step 6: Final answer
   x = 58,134.21