Finding the Fourth Proportional to 82.71, 123.89 and 63.41

Step by Step Solution

1. Step 1: Write the proportion equation
   82.71 : 123.89 = 63.41 : x
2. Step 2: Convert to fraction form
   82.71/123.89 = 63.41/x
3. Step 3: Cross multiply
   82.71x = 123.89 × 63.41
4. Step 4: Simplify right side
   82.71x = 7,854.93
5. Step 5: Solve for x
   x = 7,854.93/82.71
6. Step 6: Final answer
   x = 94.97