Finding the Fourth Proportional to 59.42, 89.68 and 59.42

Step by Step Solution

1. Step 1: Write the proportion equation
   59.42 : 89.68 = 59.42 : x
2. Step 2: Convert to fraction form
   59.42/89.68 = 59.42/x
3. Step 3: Cross multiply
   59.42x = 89.68 × 59.42
4. Step 4: Simplify right side
   59.42x = 5,328.79
5. Step 5: Solve for x
   x = 5,328.79/59.42
6. Step 6: Final answer
   x = 89.68