Finding the Fourth Proportional to 88.46, 132.69 and 42.83

Step by Step Solution

1. Step 1: Write the proportion equation
   88.46 : 132.69 = 42.83 : x
2. Step 2: Convert to fraction form
   88.46/132.69 = 42.83/x
3. Step 3: Cross multiply
   88.46x = 132.69 × 42.83
4. Step 4: Simplify right side
   88.46x = 5,683.11
5. Step 5: Solve for x
   x = 5,683.11/88.46
6. Step 6: Final answer
   x = 64.25