Finding the Fourth Proportional to 22,249.69, 30,704.55 and 12,178.12

Step by Step Solution

1. Step 1: Write the proportion equation
   22,249.69 : 30,704.55 = 12,178.12 : x
2. Step 2: Convert to fraction form
   22,249.69/30,704.55 = 12,178.12/x
3. Step 3: Cross multiply
   22,249.69x = 30,704.55 × 12,178.12
4. Step 4: Simplify right side
   22,249.69x = 373,923,694.45
5. Step 5: Solve for x
   x = 373,923,694.45/22,249.69
6. Step 6: Final answer
   x = 16,805.79