Finding the Fourth Proportional to 3,407.15, 5,105.92 and 2,710.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,407.15 : 5,105.92 = 2,710.72 : x
2. Step 2: Convert to fraction form
   3,407.15/5,105.92 = 2,710.72/x
3. Step 3: Cross multiply
   3,407.15x = 5,105.92 × 2,710.72
4. Step 4: Simplify right side
   3,407.15x = 13,840,719.46
5. Step 5: Solve for x
   x = 13,840,719.46/3,407.15
6. Step 6: Final answer
   x = 4,062.26