Finding the Fourth Proportional to 43.08, 59.52 and 42.72

Step by Step Solution

1. Step 1: Write the proportion equation
   43.08 : 59.52 = 42.72 : x
2. Step 2: Convert to fraction form
   43.08/59.52 = 42.72/x
3. Step 3: Cross multiply
   43.08x = 59.52 × 42.72
4. Step 4: Simplify right side
   43.08x = 2,542.69
5. Step 5: Solve for x
   x = 2,542.69/43.08
6. Step 6: Final answer
   x = 59.02