Finding the Fourth Proportional to 16,871.16, 25,315.88 and 7,017.24

Step by Step Solution

1. Step 1: Write the proportion equation
   16,871.16 : 25,315.88 = 7,017.24 : x
2. Step 2: Convert to fraction form
   16,871.16/25,315.88 = 7,017.24/x
3. Step 3: Cross multiply
   16,871.16x = 25,315.88 × 7,017.24
4. Step 4: Simplify right side
   16,871.16x = 177,647,605.77
5. Step 5: Solve for x
   x = 177,647,605.77/16,871.16
6. Step 6: Final answer
   x = 10,529.66