Finding the Fourth Proportional to 88.32, 132.33 and 42.69

Step by Step Solution

1. Step 1: Write the proportion equation
   88.32 : 132.33 = 42.69 : x
2. Step 2: Convert to fraction form
   88.32/132.33 = 42.69/x
3. Step 3: Cross multiply
   88.32x = 132.33 × 42.69
4. Step 4: Simplify right side
   88.32x = 5,649.17
5. Step 5: Solve for x
   x = 5,649.17/88.32
6. Step 6: Final answer
   x = 63.96