Finding the Fourth Proportional to 82.55, 123.59 and 41.87

Step by Step Solution

1. Step 1: Write the proportion equation
   82.55 : 123.59 = 41.87 : x
2. Step 2: Convert to fraction form
   82.55/123.59 = 41.87/x
3. Step 3: Cross multiply
   82.55x = 123.59 × 41.87
4. Step 4: Simplify right side
   82.55x = 5,175.13
5. Step 5: Solve for x
   x = 5,175.13/82.55
6. Step 6: Final answer
   x = 62.69