Finding the Fourth Proportional to 83, 124.52 and 42.41

Step by Step Solution

1. Step 1: Write the proportion equation
   83 : 124.52 = 42.41 : x
2. Step 2: Convert to fraction form
   83/124.52 = 42.41/x
3. Step 3: Cross multiply
   83x = 124.52 × 42.41
4. Step 4: Simplify right side
   83x = 5,280.89
5. Step 5: Solve for x
   x = 5,280.89/83
6. Step 6: Final answer
   x = 63.63