Finding the Fourth Proportional to 131,056.50, 196,335.38 and 67,781.82

Step by Step Solution

1. Step 1: Write the proportion equation
   131,056.50 : 196,335.38 = 67,781.82 : x
2. Step 2: Convert to fraction form
   131,056.50/196,335.38 = 67,781.82/x
3. Step 3: Cross multiply
   131,056.50x = 196,335.38 × 67,781.82
4. Step 4: Simplify right side
   131,056.50x = 13,307,969,386.79
5. Step 5: Solve for x
   x = 13,307,969,386.79/131,056.50
6. Step 6: Final answer
   x = 101,543.76