Finding the Fourth Proportional to 89.01, 132.71 and 83.52

Step by Step Solution

1. Step 1: Write the proportion equation
   89.01 : 132.71 = 83.52 : x
2. Step 2: Convert to fraction form
   89.01/132.71 = 83.52/x
3. Step 3: Cross multiply
   89.01x = 132.71 × 83.52
4. Step 4: Simplify right side
   89.01x = 11,083.52
5. Step 5: Solve for x
   x = 11,083.52/89.01
6. Step 6: Final answer
   x = 124.52