Finding the Fourth Proportional to 83.04, 124.43 and 42.49

Step by Step Solution

1. Step 1: Write the proportion equation
   83.04 : 124.43 = 42.49 : x
2. Step 2: Convert to fraction form
   83.04/124.43 = 42.49/x
3. Step 3: Cross multiply
   83.04x = 124.43 × 42.49
4. Step 4: Simplify right side
   83.04x = 5,287.03
5. Step 5: Solve for x
   x = 5,287.03/83.04
6. Step 6: Final answer
   x = 63.67