Finding the Fourth Proportional to 8,404.28, 12,606.37 and 2,560.94

Step by Step Solution

1. Step 1: Write the proportion equation
   8,404.28 : 12,606.37 = 2,560.94 : x
2. Step 2: Convert to fraction form
   8,404.28/12,606.37 = 2,560.94/x
3. Step 3: Cross multiply
   8,404.28x = 12,606.37 × 2,560.94
4. Step 4: Simplify right side
   8,404.28x = 32,284,081.35
5. Step 5: Solve for x
   x = 32,284,081.35/8,404.28
6. Step 6: Final answer
   x = 3,841.39