Finding the Fourth Proportional to 6,390.30, 9,568.16 and 3,305.82

Step by Step Solution

1. Step 1: Write the proportion equation
   6,390.30 : 9,568.16 = 3,305.82 : x
2. Step 2: Convert to fraction form
   6,390.30/9,568.16 = 3,305.82/x
3. Step 3: Cross multiply
   6,390.30x = 9,568.16 × 3,305.82
4. Step 4: Simplify right side
   6,390.30x = 31,630,614.69
5. Step 5: Solve for x
   x = 31,630,614.69/6,390.30
6. Step 6: Final answer
   x = 4,949.79