Finding the Fourth Proportional to 6,079.50, 8,389.77 and 3,426.78

Step by Step Solution

1. Step 1: Write the proportion equation
   6,079.50 : 8,389.77 = 3,426.78 : x
2. Step 2: Convert to fraction form
   6,079.50/8,389.77 = 3,426.78/x
3. Step 3: Cross multiply
   6,079.50x = 8,389.77 × 3,426.78
4. Step 4: Simplify right side
   6,079.50x = 28,749,896.04
5. Step 5: Solve for x
   x = 28,749,896.04/6,079.50
6. Step 6: Final answer
   x = 4,728.99