Finding the Fourth Proportional to 8,144.96, 12,206.39 and 3,459.09

Step by Step Solution

1. Step 1: Write the proportion equation
   8,144.96 : 12,206.39 = 3,459.09 : x
2. Step 2: Convert to fraction form
   8,144.96/12,206.39 = 3,459.09/x
3. Step 3: Cross multiply
   8,144.96x = 12,206.39 × 3,459.09
4. Step 4: Simplify right side
   8,144.96x = 42,222,984.29
5. Step 5: Solve for x
   x = 42,222,984.29/8,144.96
6. Step 6: Final answer
   x = 5,183.94