Finding the Fourth Proportional to 8,079.79, 12,124.37 and 3,399.49

Step by Step Solution

1. Step 1: Write the proportion equation
   8,079.79 : 12,124.37 = 3,399.49 : x
2. Step 2: Convert to fraction form
   8,079.79/12,124.37 = 3,399.49/x
3. Step 3: Cross multiply
   8,079.79x = 12,124.37 × 3,399.49
4. Step 4: Simplify right side
   8,079.79x = 41,216,727.54
5. Step 5: Solve for x
   x = 41,216,727.54/8,079.79
6. Step 6: Final answer
   x = 5,101.21