Finding the Fourth Proportional to 8,404.82, 12,609.25 and 2,561.07

Step by Step Solution

1. Step 1: Write the proportion equation
   8,404.82 : 12,609.25 = 2,561.07 : x
2. Step 2: Convert to fraction form
   8,404.82/12,609.25 = 2,561.07/x
3. Step 3: Cross multiply
   8,404.82x = 12,609.25 × 2,561.07
4. Step 4: Simplify right side
   8,404.82x = 32,293,165.49
5. Step 5: Solve for x
   x = 32,293,165.49/8,404.82
6. Step 6: Final answer
   x = 3,842.22