Finding the Fourth Proportional to 20,067.97, 30,111.29 and 8,982.15

Step by Step Solution

1. Step 1: Write the proportion equation
   20,067.97 : 30,111.29 = 8,982.15 : x
2. Step 2: Convert to fraction form
   20,067.97/30,111.29 = 8,982.15/x
3. Step 3: Cross multiply
   20,067.97x = 30,111.29 × 8,982.15
4. Step 4: Simplify right side
   20,067.97x = 270,464,078.56
5. Step 5: Solve for x
   x = 270,464,078.56/20,067.97
6. Step 6: Final answer
   x = 13,477.40