Finding the Fourth Proportional to 89.53, 134.17 and 58.61

Step by Step Solution

1. Step 1: Write the proportion equation
   89.53 : 134.17 = 58.61 : x
2. Step 2: Convert to fraction form
   89.53/134.17 = 58.61/x
3. Step 3: Cross multiply
   89.53x = 134.17 × 58.61
4. Step 4: Simplify right side
   89.53x = 7,863.89
5. Step 5: Solve for x
   x = 7,863.89/89.53
6. Step 6: Final answer
   x = 87.84