Finding the Fourth Proportional to 8,304.27, 12,456.59 and 3,107.31

Step by Step Solution

1. Step 1: Write the proportion equation
   8,304.27 : 12,456.59 = 3,107.31 : x
2. Step 2: Convert to fraction form
   8,304.27/12,456.59 = 3,107.31/x
3. Step 3: Cross multiply
   8,304.27x = 12,456.59 × 3,107.31
4. Step 4: Simplify right side
   8,304.27x = 38,706,471.14
5. Step 5: Solve for x
   x = 38,706,471.14/8,304.27
6. Step 6: Final answer
   x = 4,661.03