Finding the Fourth Proportional to 6,398.47, 9,589.38 and 3,275.83

Step by Step Solution

1. Step 1: Write the proportion equation
   6,398.47 : 9,589.38 = 3,275.83 : x
2. Step 2: Convert to fraction form
   6,398.47/9,589.38 = 3,275.83/x
3. Step 3: Cross multiply
   6,398.47x = 9,589.38 × 3,275.83
4. Step 4: Simplify right side
   6,398.47x = 31,413,178.69
5. Step 5: Solve for x
   x = 31,413,178.69/6,398.47
6. Step 6: Final answer
   x = 4,909.48