Finding the Fourth Proportional to 8,404.57, 12,608.88 and 2,560.82

Step by Step Solution

1. Step 1: Write the proportion equation
   8,404.57 : 12,608.88 = 2,560.82 : x
2. Step 2: Convert to fraction form
   8,404.57/12,608.88 = 2,560.82/x
3. Step 3: Cross multiply
   8,404.57x = 12,608.88 × 2,560.82
4. Step 4: Simplify right side
   8,404.57x = 32,289,059.28
5. Step 5: Solve for x
   x = 32,289,059.28/8,404.57
6. Step 6: Final answer
   x = 3,841.85