Finding the Fourth Proportional to 22,105.86, 30,505.76 and 12,169.86

Step by Step Solution

1. Step 1: Write the proportion equation
   22,105.86 : 30,505.76 = 12,169.86 : x
2. Step 2: Convert to fraction form
   22,105.86/30,505.76 = 12,169.86/x
3. Step 3: Cross multiply
   22,105.86x = 30,505.76 × 12,169.86
4. Step 4: Simplify right side
   22,105.86x = 371,250,828.39
5. Step 5: Solve for x
   x = 371,250,828.39/22,105.86
6. Step 6: Final answer
   x = 16,794.23