Finding the Fourth Proportional to 6,614.76, 9,908.34 and 3,107.82

Step by Step Solution

1. Step 1: Write the proportion equation
   6,614.76 : 9,908.34 = 3,107.82 : x
2. Step 2: Convert to fraction form
   6,614.76/9,908.34 = 3,107.82/x
3. Step 3: Cross multiply
   6,614.76x = 9,908.34 × 3,107.82
4. Step 4: Simplify right side
   6,614.76x = 30,793,337.22
5. Step 5: Solve for x
   x = 30,793,337.22/6,614.76
6. Step 6: Final answer
   x = 4,655.25