Finding the Fourth Proportional to 6,078.24, 9,118.37 and 1,919.30

Step by Step Solution

1. Step 1: Write the proportion equation
   6,078.24 : 9,118.37 = 1,919.30 : x
2. Step 2: Convert to fraction form
   6,078.24/9,118.37 = 1,919.30/x
3. Step 3: Cross multiply
   6,078.24x = 9,118.37 × 1,919.30
4. Step 4: Simplify right side
   6,078.24x = 17,500,846.75
5. Step 5: Solve for x
   x = 17,500,846.75/6,078.24
6. Step 6: Final answer
   x = 2,879.26