Finding the Fourth Proportional to 131.01, 196.41 and 82.82

Step by Step Solution

1. Step 1: Write the proportion equation
   131.01 : 196.41 = 82.82 : x
2. Step 2: Convert to fraction form
   131.01/196.41 = 82.82/x
3. Step 3: Cross multiply
   131.01x = 196.41 × 82.82
4. Step 4: Simplify right side
   131.01x = 16,265.69
5. Step 5: Solve for x
   x = 16,265.69/131.01
6. Step 6: Final answer
   x = 124.16