Finding the Fourth Proportional to 22,016.75, 30,378.78 and 13,067.06

Step by Step Solution

1. Step 1: Write the proportion equation
   22,016.75 : 30,378.78 = 13,067.06 : x
2. Step 2: Convert to fraction form
   22,016.75/30,378.78 = 13,067.06/x
3. Step 3: Cross multiply
   22,016.75x = 30,378.78 × 13,067.06
4. Step 4: Simplify right side
   22,016.75x = 396,961,189.09
5. Step 5: Solve for x
   x = 396,961,189.09/22,016.75
6. Step 6: Final answer
   x = 18,029.97