Finding the Fourth Proportional to 8,559.82, 12,840.51 and 2,717.29

Step by Step Solution

1. Step 1: Write the proportion equation
   8,559.82 : 12,840.51 = 2,717.29 : x
2. Step 2: Convert to fraction form
   8,559.82/12,840.51 = 2,717.29/x
3. Step 3: Cross multiply
   8,559.82x = 12,840.51 × 2,717.29
4. Step 4: Simplify right side
   8,559.82x = 34,891,389.42
5. Step 5: Solve for x
   x = 34,891,389.42/8,559.82
6. Step 6: Final answer
   x = 4,076.18