Finding the Fourth Proportional to 59.91, 82.71 and 38.10

Step by Step Solution

1. Step 1: Write the proportion equation
   59.91 : 82.71 = 38.10 : x
2. Step 2: Convert to fraction form
   59.91/82.71 = 38.10/x
3. Step 3: Cross multiply
   59.91x = 82.71 × 38.10
4. Step 4: Simplify right side
   59.91x = 3,151.25
5. Step 5: Solve for x
   x = 3,151.25/59.91
6. Step 6: Final answer
   x = 52.60