Finding the Fourth Proportional to 59.57, 82.19 and 42.09

Step by Step Solution

1. Step 1: Write the proportion equation
   59.57 : 82.19 = 42.09 : x
2. Step 2: Convert to fraction form
   59.57/82.19 = 42.09/x
3. Step 3: Cross multiply
   59.57x = 82.19 × 42.09
4. Step 4: Simplify right side
   59.57x = 3,459.48
5. Step 5: Solve for x
   x = 3,459.48/59.57
6. Step 6: Final answer
   x = 58.07