Finding the Fourth Proportional to 59.16, 88.17 and 57.96

Step by Step Solution

1. Step 1: Write the proportion equation
   59.16 : 88.17 = 57.96 : x
2. Step 2: Convert to fraction form
   59.16/88.17 = 57.96/x
3. Step 3: Cross multiply
   59.16x = 88.17 × 57.96
4. Step 4: Simplify right side
   59.16x = 5,110.33
5. Step 5: Solve for x
   x = 5,110.33/59.16
6. Step 6: Final answer
   x = 86.38