Finding the Fourth Proportional to 6,078.66, 8,389.30 and 3,426.54

Step by Step Solution

1. Step 1: Write the proportion equation
   6,078.66 : 8,389.30 = 3,426.54 : x
2. Step 2: Convert to fraction form
   6,078.66/8,389.30 = 3,426.54/x
3. Step 3: Cross multiply
   6,078.66x = 8,389.30 × 3,426.54
4. Step 4: Simplify right side
   6,078.66x = 28,746,272.02
5. Step 5: Solve for x
   x = 28,746,272.02/6,078.66
6. Step 6: Final answer
   x = 4,729.05