Finding the Fourth Proportional to 23,067.04, 31,800.72 and 17,399.20

Step by Step Solution

1. Step 1: Write the proportion equation
   23,067.04 : 31,800.72 = 17,399.20 : x
2. Step 2: Convert to fraction form
   23,067.04/31,800.72 = 17,399.20/x
3. Step 3: Cross multiply
   23,067.04x = 31,800.72 × 17,399.20
4. Step 4: Simplify right side
   23,067.04x = 553,307,087.42
5. Step 5: Solve for x
   x = 553,307,087.42/23,067.04
6. Step 6: Final answer
   x = 23,986.91