Finding the Fourth Proportional to 6,616.02, 9,919.31 and 3,104.06

Step by Step Solution

1. Step 1: Write the proportion equation
   6,616.02 : 9,919.31 = 3,104.06 : x
2. Step 2: Convert to fraction form
   6,616.02/9,919.31 = 3,104.06/x
3. Step 3: Cross multiply
   6,616.02x = 9,919.31 × 3,104.06
4. Step 4: Simplify right side
   6,616.02x = 30,790,142.68
5. Step 5: Solve for x
   x = 30,790,142.68/6,616.02
6. Step 6: Final answer
   x = 4,653.88