Finding the Fourth Proportional to 17,298, 25,879.54 and 13,150

Step by Step Solution

1. Step 1: Write the proportion equation
   17,298 : 25,879.54 = 13,150 : x
2. Step 2: Convert to fraction form
   17,298/25,879.54 = 13,150/x
3. Step 3: Cross multiply
   17,298x = 25,879.54 × 13,150
4. Step 4: Simplify right side
   17,298x = 340,315,951
5. Step 5: Solve for x
   x = 340,315,951/17,298
6. Step 6: Final answer
   x = 19,673.72