Finding the Fourth Proportional to 94.42, 141.72 and 88.53

Step by Step Solution

1. Step 1: Write the proportion equation
   94.42 : 141.72 = 88.53 : x
2. Step 2: Convert to fraction form
   94.42/141.72 = 88.53/x
3. Step 3: Cross multiply
   94.42x = 141.72 × 88.53
4. Step 4: Simplify right side
   94.42x = 12,546.47
5. Step 5: Solve for x
   x = 12,546.47/94.42
6. Step 6: Final answer
   x = 132.88