Finding the Fourth Proportional to 22,144.39, 30,558.49 and 12,072.67

Step by Step Solution

1. Step 1: Write the proportion equation
   22,144.39 : 30,558.49 = 12,072.67 : x
2. Step 2: Convert to fraction form
   22,144.39/30,558.49 = 12,072.67/x
3. Step 3: Cross multiply
   22,144.39x = 30,558.49 × 12,072.67
4. Step 4: Simplify right side
   22,144.39x = 368,922,458.89
5. Step 5: Solve for x
   x = 368,922,458.89/22,144.39
6. Step 6: Final answer
   x = 16,659.86