Finding the Fourth Proportional to 6,616.27, 9,919.59 and 3,104.38

Step by Step Solution

1. Step 1: Write the proportion equation
   6,616.27 : 9,919.59 = 3,104.38 : x
2. Step 2: Convert to fraction form
   6,616.27/9,919.59 = 3,104.38/x
3. Step 3: Cross multiply
   6,616.27x = 9,919.59 × 3,104.38
4. Step 4: Simplify right side
   6,616.27x = 30,794,176.80
5. Step 5: Solve for x
   x = 30,794,176.80/6,616.27
6. Step 6: Final answer
   x = 4,654.31