Finding the Fourth Proportional to 59.29, 81.71 and 42.01

Step by Step Solution

1. Step 1: Write the proportion equation
   59.29 : 81.71 = 42.01 : x
2. Step 2: Convert to fraction form
   59.29/81.71 = 42.01/x
3. Step 3: Cross multiply
   59.29x = 81.71 × 42.01
4. Step 4: Simplify right side
   59.29x = 3,432.43
5. Step 5: Solve for x
   x = 3,432.43/59.29
6. Step 6: Final answer
   x = 57.89