Finding the Fourth Proportional to 109,508.31, 151,121.69 and 59,207.31

Step by Step Solution

1. Step 1: Write the proportion equation
   109,508.31 : 151,121.69 = 59,207.31 : x
2. Step 2: Convert to fraction form
   109,508.31/151,121.69 = 59,207.31/x
3. Step 3: Cross multiply
   109,508.31x = 151,121.69 × 59,207.31
4. Step 4: Simplify right side
   109,508.31x = 8,947,508,451.52
5. Step 5: Solve for x
   x = 8,947,508,451.52/109,508.31
6. Step 6: Final answer
   x = 81,706.21