Finding the Fourth Proportional to 22,105.88, 30,505.76 and 12,169.88

Step by Step Solution

1. Step 1: Write the proportion equation
   22,105.88 : 30,505.76 = 12,169.88 : x
2. Step 2: Convert to fraction form
   22,105.88/30,505.76 = 12,169.88/x
3. Step 3: Cross multiply
   22,105.88x = 30,505.76 × 12,169.88
4. Step 4: Simplify right side
   22,105.88x = 371,251,438.51
5. Step 5: Solve for x
   x = 371,251,438.51/22,105.88
6. Step 6: Final answer
   x = 16,794.24