Finding the Fourth Proportional to 3,517.50, 5,271.38 and 2,908.54

Step by Step Solution

1. Step 1: Write the proportion equation
   3,517.50 : 5,271.38 = 2,908.54 : x
2. Step 2: Convert to fraction form
   3,517.50/5,271.38 = 2,908.54/x
3. Step 3: Cross multiply
   3,517.50x = 5,271.38 × 2,908.54
4. Step 4: Simplify right side
   3,517.50x = 15,332,019.59
5. Step 5: Solve for x
   x = 15,332,019.59/3,517.50
6. Step 6: Final answer
   x = 4,358.78