Finding the Fourth Proportional to 6,078.85, 8,388.98 and 3,426.10

Step by Step Solution

1. Step 1: Write the proportion equation
   6,078.85 : 8,388.98 = 3,426.10 : x
2. Step 2: Convert to fraction form
   6,078.85/8,388.98 = 3,426.10/x
3. Step 3: Cross multiply
   6,078.85x = 8,388.98 × 3,426.10
4. Step 4: Simplify right side
   6,078.85x = 28,741,484.38
5. Step 5: Solve for x
   x = 28,741,484.38/6,078.85
6. Step 6: Final answer
   x = 4,728.11