Finding the Fourth Proportional to 22,105.52, 30,504.72 and 12,667.52

Step by Step Solution

1. Step 1: Write the proportion equation
   22,105.52 : 30,504.72 = 12,667.52 : x
2. Step 2: Convert to fraction form
   22,105.52/30,504.72 = 12,667.52/x
3. Step 3: Cross multiply
   22,105.52x = 30,504.72 × 12,667.52
4. Step 4: Simplify right side
   22,105.52x = 386,419,150.69
5. Step 5: Solve for x
   x = 386,419,150.69/22,105.52
6. Step 6: Final answer
   x = 17,480.66