Finding the Fourth Proportional to 88.86, 132.72 and 88.23

Step by Step Solution

1. Step 1: Write the proportion equation
   88.86 : 132.72 = 88.23 : x
2. Step 2: Convert to fraction form
   88.86/132.72 = 88.23/x
3. Step 3: Cross multiply
   88.86x = 132.72 × 88.23
4. Step 4: Simplify right side
   88.86x = 11,709.89
5. Step 5: Solve for x
   x = 11,709.89/88.86
6. Step 6: Final answer
   x = 131.78