Finding the Fourth Proportional to 6,411.43, 9,616.18 and 2,028.31

Step by Step Solution

1. Step 1: Write the proportion equation
   6,411.43 : 9,616.18 = 2,028.31 : x
2. Step 2: Convert to fraction form
   6,411.43/9,616.18 = 2,028.31/x
3. Step 3: Cross multiply
   6,411.43x = 9,616.18 × 2,028.31
4. Step 4: Simplify right side
   6,411.43x = 19,504,607.95
5. Step 5: Solve for x
   x = 19,504,607.95/6,411.43
6. Step 6: Final answer
   x = 3,042.16