Finding the Fourth Proportional to 6,178.83, 8,517.87 and 4,079.31

Step by Step Solution

1. Step 1: Write the proportion equation
   6,178.83 : 8,517.87 = 4,079.31 : x
2. Step 2: Convert to fraction form
   6,178.83/8,517.87 = 4,079.31/x
3. Step 3: Cross multiply
   6,178.83x = 8,517.87 × 4,079.31
4. Step 4: Simplify right side
   6,178.83x = 34,747,032.27
5. Step 5: Solve for x
   x = 34,747,032.27/6,178.83
6. Step 6: Final answer
   x = 5,623.56