Finding the Fourth Proportional to 12,222.58, 18,340.25 and 6,674.89

Step by Step Solution

1. Step 1: Write the proportion equation
   12,222.58 : 18,340.25 = 6,674.89 : x
2. Step 2: Convert to fraction form
   12,222.58/18,340.25 = 6,674.89/x
3. Step 3: Cross multiply
   12,222.58x = 18,340.25 × 6,674.89
4. Step 4: Simplify right side
   12,222.58x = 122,419,151.32
5. Step 5: Solve for x
   x = 122,419,151.32/12,222.58
6. Step 6: Final answer
   x = 10,015.82