Finding the Fourth Proportional to 2,707.97, 3,726.15 and 2,078.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,707.97 : 3,726.15 = 2,078.24 : x
2. Step 2: Convert to fraction form
   2,707.97/3,726.15 = 2,078.24/x
3. Step 3: Cross multiply
   2,707.97x = 3,726.15 × 2,078.24
4. Step 4: Simplify right side
   2,707.97x = 7,743,833.98
5. Step 5: Solve for x
   x = 7,743,833.98/2,707.97
6. Step 6: Final answer
   x = 2,859.65