Finding the Fourth Proportional to 82.38, 123.42 and 41.76

Step by Step Solution

1. Step 1: Write the proportion equation
   82.38 : 123.42 = 41.76 : x
2. Step 2: Convert to fraction form
   82.38/123.42 = 41.76/x
3. Step 3: Cross multiply
   82.38x = 123.42 × 41.76
4. Step 4: Simplify right side
   82.38x = 5,154.02
5. Step 5: Solve for x
   x = 5,154.02/82.38
6. Step 6: Final answer
   x = 62.56