Finding the Fourth Proportional to 23,139.24, 31,933.17 and 13,067.76

Step by Step Solution

1. Step 1: Write the proportion equation
   23,139.24 : 31,933.17 = 13,067.76 : x
2. Step 2: Convert to fraction form
   23,139.24/31,933.17 = 13,067.76/x
3. Step 3: Cross multiply
   23,139.24x = 31,933.17 × 13,067.76
4. Step 4: Simplify right side
   23,139.24x = 417,295,001.60
5. Step 5: Solve for x
   x = 417,295,001.60/23,139.24
6. Step 6: Final answer
   x = 18,034.08