Finding the Fourth Proportional to 6,079.38, 8,389.62 and 3,426.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,079.38 : 8,389.62 = 3,426.72 : x
2. Step 2: Convert to fraction form
   6,079.38/8,389.62 = 3,426.72/x
3. Step 3: Cross multiply
   6,079.38x = 8,389.62 × 3,426.72
4. Step 4: Simplify right side
   6,079.38x = 28,748,878.65
5. Step 5: Solve for x
   x = 28,748,878.65/6,079.38
6. Step 6: Final answer
   x = 4,728.92