Finding the Fourth Proportional to 2,686.92, 3,707.29 and 2,058.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,686.92 : 3,707.29 = 2,058.15 : x
2. Step 2: Convert to fraction form
   2,686.92/3,707.29 = 2,058.15/x
3. Step 3: Cross multiply
   2,686.92x = 3,707.29 × 2,058.15
4. Step 4: Simplify right side
   2,686.92x = 7,630,158.91
5. Step 5: Solve for x
   x = 7,630,158.91/2,686.92
6. Step 6: Final answer
   x = 2,839.74