Finding the Fourth Proportional to 6,399.30, 9,581.64 and 3,314.82

Step by Step Solution

1. Step 1: Write the proportion equation
   6,399.30 : 9,581.64 = 3,314.82 : x
2. Step 2: Convert to fraction form
   6,399.30/9,581.64 = 3,314.82/x
3. Step 3: Cross multiply
   6,399.30x = 9,581.64 × 3,314.82
4. Step 4: Simplify right side
   6,399.30x = 31,761,411.90
5. Step 5: Solve for x
   x = 31,761,411.90/6,399.30
6. Step 6: Final answer
   x = 4,963.26