Finding the Fourth Proportional to 8,399.68, 12,594.72 and 2,554.56

Step by Step Solution

1. Step 1: Write the proportion equation
   8,399.68 : 12,594.72 = 2,554.56 : x
2. Step 2: Convert to fraction form
   8,399.68/12,594.72 = 2,554.56/x
3. Step 3: Cross multiply
   8,399.68x = 12,594.72 × 2,554.56
4. Step 4: Simplify right side
   8,399.68x = 32,173,967.92
5. Step 5: Solve for x
   x = 32,173,967.92/8,399.68
6. Step 6: Final answer
   x = 3,830.38