Finding the Fourth Proportional to 22,105.52, 30,505.60 and 12,169.52

Step by Step Solution

1. Step 1: Write the proportion equation
   22,105.52 : 30,505.60 = 12,169.52 : x
2. Step 2: Convert to fraction form
   22,105.52/30,505.60 = 12,169.52/x
3. Step 3: Cross multiply
   22,105.52x = 30,505.60 × 12,169.52
4. Step 4: Simplify right side
   22,105.52x = 371,238,509.31
5. Step 5: Solve for x
   x = 371,238,509.31/22,105.52
6. Step 6: Final answer
   x = 16,793.93