Finding the Fourth Proportional to 22,441.73, 30,967.02 and 12,879.05

Step by Step Solution

1. Step 1: Write the proportion equation
   22,441.73 : 30,967.02 = 12,879.05 : x
2. Step 2: Convert to fraction form
   22,441.73/30,967.02 = 12,879.05/x
3. Step 3: Cross multiply
   22,441.73x = 30,967.02 × 12,879.05
4. Step 4: Simplify right side
   22,441.73x = 398,825,644.10
5. Step 5: Solve for x
   x = 398,825,644.10/22,441.73
6. Step 6: Final answer
   x = 17,771.61