Finding the Fourth Proportional to 12,074.12, 18,123.46 and 8,326.15

Step by Step Solution

1. Step 1: Write the proportion equation
   12,074.12 : 18,123.46 = 8,326.15 : x
2. Step 2: Convert to fraction form
   12,074.12/18,123.46 = 8,326.15/x
3. Step 3: Cross multiply
   12,074.12x = 18,123.46 × 8,326.15
4. Step 4: Simplify right side
   12,074.12x = 150,898,555.86
5. Step 5: Solve for x
   x = 150,898,555.86/12,074.12
6. Step 6: Final answer
   x = 12,497.69