Finding the Fourth Proportional to 2,724.35, 4,055.71 and 2,708.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,724.35 : 4,055.71 = 2,708.15 : x
2. Step 2: Convert to fraction form
   2,724.35/4,055.71 = 2,708.15/x
3. Step 3: Cross multiply
   2,724.35x = 4,055.71 × 2,708.15
4. Step 4: Simplify right side
   2,724.35x = 10,983,471.04
5. Step 5: Solve for x
   x = 10,983,471.04/2,724.35
6. Step 6: Final answer
   x = 4,031.59