Finding the Fourth Proportional to 17,162.30, 25,710.09 and 12,651.15

Step by Step Solution

1. Step 1: Write the proportion equation
   17,162.30 : 25,710.09 = 12,651.15 : x
2. Step 2: Convert to fraction form
   17,162.30/25,710.09 = 12,651.15/x
3. Step 3: Cross multiply
   17,162.30x = 25,710.09 × 12,651.15
4. Step 4: Simplify right side
   17,162.30x = 325,262,205.10
5. Step 5: Solve for x
   x = 325,262,205.10/17,162.30
6. Step 6: Final answer
   x = 18,952.14