Finding the Fourth Proportional to 59.24, 88.61 and 57.50

Step by Step Solution

1. Step 1: Write the proportion equation
   59.24 : 88.61 = 57.50 : x
2. Step 2: Convert to fraction form
   59.24/88.61 = 57.50/x
3. Step 3: Cross multiply
   59.24x = 88.61 × 57.50
4. Step 4: Simplify right side
   59.24x = 5,094.34
5. Step 5: Solve for x
   x = 5,094.34/59.24
6. Step 6: Final answer
   x = 86.00