Finding the Fourth Proportional to 8,558.82, 12,839.01 and 2,716.29

Step by Step Solution

1. Step 1: Write the proportion equation
   8,558.82 : 12,839.01 = 2,716.29 : x
2. Step 2: Convert to fraction form
   8,558.82/12,839.01 = 2,716.29/x
3. Step 3: Cross multiply
   8,558.82x = 12,839.01 × 2,716.29
4. Step 4: Simplify right side
   8,558.82x = 34,874,474.47
5. Step 5: Solve for x
   x = 34,874,474.47/8,558.82
6. Step 6: Final answer
   x = 4,074.68