Finding the Fourth Proportional to 59.55, 82.09 and 42.01

Step by Step Solution

1. Step 1: Write the proportion equation
   59.55 : 82.09 = 42.01 : x
2. Step 2: Convert to fraction form
   59.55/82.09 = 42.01/x
3. Step 3: Cross multiply
   59.55x = 82.09 × 42.01
4. Step 4: Simplify right side
   59.55x = 3,447.98
5. Step 5: Solve for x
   x = 3,447.98/59.55
6. Step 6: Final answer
   x = 57.91