Finding the Fourth Proportional to 88.04, 132.69 and 82.82

Step by Step Solution

1. Step 1: Write the proportion equation
   88.04 : 132.69 = 82.82 : x
2. Step 2: Convert to fraction form
   88.04/132.69 = 82.82/x
3. Step 3: Cross multiply
   88.04x = 132.69 × 82.82
4. Step 4: Simplify right side
   88.04x = 10,989.39
5. Step 5: Solve for x
   x = 10,989.39/88.04
6. Step 6: Final answer
   x = 124.82