Finding the Fourth Proportional to 59.30, 88.75 and 57.94

Step by Step Solution

1. Step 1: Write the proportion equation
   59.30 : 88.75 = 57.94 : x
2. Step 2: Convert to fraction form
   59.30/88.75 = 57.94/x
3. Step 3: Cross multiply
   59.30x = 88.75 × 57.94
4. Step 4: Simplify right side
   59.30x = 5,142.18
5. Step 5: Solve for x
   x = 5,142.18/59.30
6. Step 6: Final answer
   x = 86.71