Finding the Fourth Proportional to 12,080.86, 18,097.69 and 8,323.78

Step by Step Solution

1. Step 1: Write the proportion equation
   12,080.86 : 18,097.69 = 8,323.78 : x
2. Step 2: Convert to fraction form
   12,080.86/18,097.69 = 8,323.78/x
3. Step 3: Cross multiply
   12,080.86x = 18,097.69 × 8,323.78
4. Step 4: Simplify right side
   12,080.86x = 150,641,190.07
5. Step 5: Solve for x
   x = 150,641,190.07/12,080.86
6. Step 6: Final answer
   x = 12,469.41