Finding the Fourth Proportional to 8,411.76, 12,619.61 and 2,568.37

Step by Step Solution

1. Step 1: Write the proportion equation
   8,411.76 : 12,619.61 = 2,568.37 : x
2. Step 2: Convert to fraction form
   8,411.76/12,619.61 = 2,568.37/x
3. Step 3: Cross multiply
   8,411.76x = 12,619.61 × 2,568.37
4. Step 4: Simplify right side
   8,411.76x = 32,411,751.80
5. Step 5: Solve for x
   x = 32,411,751.80/8,411.76
6. Step 6: Final answer
   x = 3,853.15