Finding the Fourth Proportional to 8,081.71, 12,122.06 and 3,399.23

Step by Step Solution

1. Step 1: Write the proportion equation
   8,081.71 : 12,122.06 = 3,399.23 : x
2. Step 2: Convert to fraction form
   8,081.71/12,122.06 = 3,399.23/x
3. Step 3: Cross multiply
   8,081.71x = 12,122.06 × 3,399.23
4. Step 4: Simplify right side
   8,081.71x = 41,205,683.32
5. Step 5: Solve for x
   x = 41,205,683.32/8,081.71
6. Step 6: Final answer
   x = 5,098.64