Finding the Fourth Proportional to 124.01, 171.01 and 82.59

Step by Step Solution

1. Step 1: Write the proportion equation
   124.01 : 171.01 = 82.59 : x
2. Step 2: Convert to fraction form
   124.01/171.01 = 82.59/x
3. Step 3: Cross multiply
   124.01x = 171.01 × 82.59
4. Step 4: Simplify right side
   124.01x = 14,123.72
5. Step 5: Solve for x
   x = 14,123.72/124.01
6. Step 6: Final answer
   x = 113.89