Finding the Fourth Proportional to 8,552.86, 12,849.84 and 8,080.81

Step by Step Solution

1. Step 1: Write the proportion equation
   8,552.86 : 12,849.84 = 8,080.81 : x
2. Step 2: Convert to fraction form
   8,552.86/12,849.84 = 8,080.81/x
3. Step 3: Cross multiply
   8,552.86x = 12,849.84 × 8,080.81
4. Step 4: Simplify right side
   8,552.86x = 103,837,115.57
5. Step 5: Solve for x
   x = 103,837,115.57/8,552.86
6. Step 6: Final answer
   x = 12,140.63