Finding the Fourth Proportional to 8,379.43, 12,570.87 and 2,456.51

Step by Step Solution

1. Step 1: Write the proportion equation
   8,379.43 : 12,570.87 = 2,456.51 : x
2. Step 2: Convert to fraction form
   8,379.43/12,570.87 = 2,456.51/x
3. Step 3: Cross multiply
   8,379.43x = 12,570.87 × 2,456.51
4. Step 4: Simplify right side
   8,379.43x = 30,880,499.29
5. Step 5: Solve for x
   x = 30,880,499.29/8,379.43
6. Step 6: Final answer
   x = 3,685.27