Finding the Fourth Proportional to 88.27, 132.29 and 42.53

Step by Step Solution

1. Step 1: Write the proportion equation
   88.27 : 132.29 = 42.53 : x
2. Step 2: Convert to fraction form
   88.27/132.29 = 42.53/x
3. Step 3: Cross multiply
   88.27x = 132.29 × 42.53
4. Step 4: Simplify right side
   88.27x = 5,626.29
5. Step 5: Solve for x
   x = 5,626.29/88.27
6. Step 6: Final answer
   x = 63.74