Finding the Fourth Proportional to 8,097.78, 12,148.71 and 2,550.90

Step by Step Solution

1. Step 1: Write the proportion equation
   8,097.78 : 12,148.71 = 2,550.90 : x
2. Step 2: Convert to fraction form
   8,097.78/12,148.71 = 2,550.90/x
3. Step 3: Cross multiply
   8,097.78x = 12,148.71 × 2,550.90
4. Step 4: Simplify right side
   8,097.78x = 30,990,144.34
5. Step 5: Solve for x
   x = 30,990,144.34/8,097.78
6. Step 6: Final answer
   x = 3,826.99