Finding the Fourth Proportional to 89.69, 134.28 and 62.55

Step by Step Solution

1. Step 1: Write the proportion equation
   89.69 : 134.28 = 62.55 : x
2. Step 2: Convert to fraction form
   89.69/134.28 = 62.55/x
3. Step 3: Cross multiply
   89.69x = 134.28 × 62.55
4. Step 4: Simplify right side
   89.69x = 8,399.21
5. Step 5: Solve for x
   x = 8,399.21/89.69
6. Step 6: Final answer
   x = 93.65