Finding the Fourth Proportional to 8,401.68, 12,597.72 and 2,556.56

Step by Step Solution

1. Step 1: Write the proportion equation
   8,401.68 : 12,597.72 = 2,556.56 : x
2. Step 2: Convert to fraction form
   8,401.68/12,597.72 = 2,556.56/x
3. Step 3: Cross multiply
   8,401.68x = 12,597.72 × 2,556.56
4. Step 4: Simplify right side
   8,401.68x = 32,206,827.04
5. Step 5: Solve for x
   x = 32,206,827.04/8,401.68
6. Step 6: Final answer
   x = 3,833.38