Finding the Fourth Proportional to 82.12, 123.24 and 41.50

Step by Step Solution

1. Step 1: Write the proportion equation
   82.12 : 123.24 = 41.50 : x
2. Step 2: Convert to fraction form
   82.12/123.24 = 41.50/x
3. Step 3: Cross multiply
   82.12x = 123.24 × 41.50
4. Step 4: Simplify right side
   82.12x = 5,114.46
5. Step 5: Solve for x
   x = 5,114.46/82.12
6. Step 6: Final answer
   x = 62.28