Finding the Fourth Proportional to 60.57, 83.61 and 42.25

Step by Step Solution

1. Step 1: Write the proportion equation
   60.57 : 83.61 = 42.25 : x
2. Step 2: Convert to fraction form
   60.57/83.61 = 42.25/x
3. Step 3: Cross multiply
   60.57x = 83.61 × 42.25
4. Step 4: Simplify right side
   60.57x = 3,532.52
5. Step 5: Solve for x
   x = 3,532.52/60.57
6. Step 6: Final answer
   x = 58.32