Finding the Fourth Proportional to 22,150.05, 30,567.11 and 12,078.69

Step by Step Solution

1. Step 1: Write the proportion equation
   22,150.05 : 30,567.11 = 12,078.69 : x
2. Step 2: Convert to fraction form
   22,150.05/30,567.11 = 12,078.69/x
3. Step 3: Cross multiply
   22,150.05x = 30,567.11 × 12,078.69
4. Step 4: Simplify right side
   22,150.05x = 369,210,585.49
5. Step 5: Solve for x
   x = 369,210,585.49/22,150.05
6. Step 6: Final answer
   x = 16,668.61