Finding the Fourth Proportional to 131,240.31, 196,891.82 and 42,493.91

Step by Step Solution

1. Step 1: Write the proportion equation
   131,240.31 : 196,891.82 = 42,493.91 : x
2. Step 2: Convert to fraction form
   131,240.31/196,891.82 = 42,493.91/x
3. Step 3: Cross multiply
   131,240.31x = 196,891.82 × 42,493.91
4. Step 4: Simplify right side
   131,240.31x = 8,366,703,877.28
5. Step 5: Solve for x
   x = 8,366,703,877.28/131,240.31
6. Step 6: Final answer
   x = 63,751.02