Finding the Fourth Proportional to 82.55, 123.92 and 62.10

Step by Step Solution

1. Step 1: Write the proportion equation
   82.55 : 123.92 = 62.10 : x
2. Step 2: Convert to fraction form
   82.55/123.92 = 62.10/x
3. Step 3: Cross multiply
   82.55x = 123.92 × 62.10
4. Step 4: Simplify right side
   82.55x = 7,695.43
5. Step 5: Solve for x
   x = 7,695.43/82.55
6. Step 6: Final answer
   x = 93.22