Finding the Fourth Proportional to 59.01, 87.98 and 57.98

Step by Step Solution

1. Step 1: Write the proportion equation
   59.01 : 87.98 = 57.98 : x
2. Step 2: Convert to fraction form
   59.01/87.98 = 57.98/x
3. Step 3: Cross multiply
   59.01x = 87.98 × 57.98
4. Step 4: Simplify right side
   59.01x = 5,100.35
5. Step 5: Solve for x
   x = 5,100.35/59.01
6. Step 6: Final answer
   x = 86.43