Finding the Fourth Proportional to 59.02, 88.37 and 42.72

Step by Step Solution

1. Step 1: Write the proportion equation
   59.02 : 88.37 = 42.72 : x
2. Step 2: Convert to fraction form
   59.02/88.37 = 42.72/x
3. Step 3: Cross multiply
   59.02x = 88.37 × 42.72
4. Step 4: Simplify right side
   59.02x = 3,775.17
5. Step 5: Solve for x
   x = 3,775.17/59.02
6. Step 6: Final answer
   x = 63.96