Finding the Fourth Proportional to 59.97, 82.72 and 42.47

Step by Step Solution

1. Step 1: Write the proportion equation
   59.97 : 82.72 = 42.47 : x
2. Step 2: Convert to fraction form
   59.97/82.72 = 42.47/x
3. Step 3: Cross multiply
   59.97x = 82.72 × 42.47
4. Step 4: Simplify right side
   59.97x = 3,513.53
5. Step 5: Solve for x
   x = 3,513.53/59.97
6. Step 6: Final answer
   x = 58.58