Finding the Fourth Proportional to 22,149.69, 30,566.41 and 12,078.15

Step by Step Solution

1. Step 1: Write the proportion equation
   22,149.69 : 30,566.41 = 12,078.15 : x
2. Step 2: Convert to fraction form
   22,149.69/30,566.41 = 12,078.15/x
3. Step 3: Cross multiply
   22,149.69x = 30,566.41 × 12,078.15
4. Step 4: Simplify right side
   22,149.69x = 369,185,608.06
5. Step 5: Solve for x
   x = 369,185,608.06/22,149.69
6. Step 6: Final answer
   x = 16,667.76