Finding the Fourth Proportional to 59.42, 89.00 and 42.24

Step by Step Solution

1. Step 1: Write the proportion equation
   59.42 : 89.00 = 42.24 : x
2. Step 2: Convert to fraction form
   59.42/89.00 = 42.24/x
3. Step 3: Cross multiply
   59.42x = 89.00 × 42.24
4. Step 4: Simplify right side
   59.42x = 3,759.15
5. Step 5: Solve for x
   x = 3,759.15/59.42
6. Step 6: Final answer
   x = 63.27