Finding the Fourth Proportional to 89.38, 134.43 and 75.88

Step by Step Solution

1. Step 1: Write the proportion equation
   89.38 : 134.43 = 75.88 : x
2. Step 2: Convert to fraction form
   89.38/134.43 = 75.88/x
3. Step 3: Cross multiply
   89.38x = 134.43 × 75.88
4. Step 4: Simplify right side
   89.38x = 10,200.55
5. Step 5: Solve for x
   x = 10,200.55/89.38
6. Step 6: Final answer
   x = 114.13