Finding the Fourth Proportional to 6,092.80, 8,408.61 and 3,440.15

Step by Step Solution

1. Step 1: Write the proportion equation
   6,092.80 : 8,408.61 = 3,440.15 : x
2. Step 2: Convert to fraction form
   6,092.80/8,408.61 = 3,440.15/x
3. Step 3: Cross multiply
   6,092.80x = 8,408.61 × 3,440.15
4. Step 4: Simplify right side
   6,092.80x = 28,926,879.69
5. Step 5: Solve for x
   x = 28,926,879.69/6,092.80
6. Step 6: Final answer
   x = 4,747.72