Finding the Fourth Proportional to 131,057.50, 196,336.88 and 67,782.82

Step by Step Solution

1. Step 1: Write the proportion equation
   131,057.50 : 196,336.88 = 67,782.82 : x
2. Step 2: Convert to fraction form
   131,057.50/196,336.88 = 67,782.82/x
3. Step 3: Cross multiply
   131,057.50x = 196,336.88 × 67,782.82
4. Step 4: Simplify right side
   131,057.50x = 13,308,267,396.40
5. Step 5: Solve for x
   x = 13,308,267,396.40/131,057.50
6. Step 6: Final answer
   x = 101,545.26