Finding the Fourth Proportional to 6,078.88, 8,387.04 and 3,718.54

Step by Step Solution

1. Step 1: Write the proportion equation
   6,078.88 : 8,387.04 = 3,718.54 : x
2. Step 2: Convert to fraction form
   6,078.88/8,387.04 = 3,718.54/x
3. Step 3: Cross multiply
   6,078.88x = 8,387.04 × 3,718.54
4. Step 4: Simplify right side
   6,078.88x = 31,187,543.72
5. Step 5: Solve for x
   x = 31,187,543.72/6,078.88
6. Step 6: Final answer
   x = 5,130.48