Finding the Fourth Proportional to 6,078.76, 8,388.72 and 3,426.22

Step by Step Solution

1. Step 1: Write the proportion equation
   6,078.76 : 8,388.72 = 3,426.22 : x
2. Step 2: Convert to fraction form
   6,078.76/8,388.72 = 3,426.22/x
3. Step 3: Cross multiply
   6,078.76x = 8,388.72 × 3,426.22
4. Step 4: Simplify right side
   6,078.76x = 28,741,600.24
5. Step 5: Solve for x
   x = 28,741,600.24/6,078.76
6. Step 6: Final answer
   x = 4,728.20