Finding the Fourth Proportional to 16,673.99, 25,023.29 and 13,426.29

Step by Step Solution

1. Step 1: Write the proportion equation
   16,673.99 : 25,023.29 = 13,426.29 : x
2. Step 2: Convert to fraction form
   16,673.99/25,023.29 = 13,426.29/x
3. Step 3: Cross multiply
   16,673.99x = 25,023.29 × 13,426.29
4. Step 4: Simplify right side
   16,673.99x = 335,969,948.29
5. Step 5: Solve for x
   x = 335,969,948.29/16,673.99
6. Step 6: Final answer
   x = 20,149.34