Finding the Fourth Proportional to 17,315.10, 25,969.23 and 8,544.42

Step by Step Solution

1. Step 1: Write the proportion equation
   17,315.10 : 25,969.23 = 8,544.42 : x
2. Step 2: Convert to fraction form
   17,315.10/25,969.23 = 8,544.42/x
3. Step 3: Cross multiply
   17,315.10x = 25,969.23 × 8,544.42
4. Step 4: Simplify right side
   17,315.10x = 221,892,008.20
5. Step 5: Solve for x
   x = 221,892,008.20/17,315.10
6. Step 6: Final answer
   x = 12,814.94