Finding the Fourth Proportional to 88.29, 132.37 and 42.59

Step by Step Solution

1. Step 1: Write the proportion equation
   88.29 : 132.37 = 42.59 : x
2. Step 2: Convert to fraction form
   88.29/132.37 = 42.59/x
3. Step 3: Cross multiply
   88.29x = 132.37 × 42.59
4. Step 4: Simplify right side
   88.29x = 5,637.86
5. Step 5: Solve for x
   x = 5,637.86/88.29
6. Step 6: Final answer
   x = 63.86