Finding the Fourth Proportional to 8,284.22, 12,426.72 and 2,738.06

Step by Step Solution

1. Step 1: Write the proportion equation
   8,284.22 : 12,426.72 = 2,738.06 : x
2. Step 2: Convert to fraction form
   8,284.22/12,426.72 = 2,738.06/x
3. Step 3: Cross multiply
   8,284.22x = 12,426.72 × 2,738.06
4. Step 4: Simplify right side
   8,284.22x = 34,025,029.14
5. Step 5: Solve for x
   x = 34,025,029.14/8,284.22
6. Step 6: Final answer
   x = 4,107.21