Finding the Fourth Proportional to 17,168.82, 25,709.67 and 14,388.18

Step by Step Solution

1. Step 1: Write the proportion equation
   17,168.82 : 25,709.67 = 14,388.18 : x
2. Step 2: Convert to fraction form
   17,168.82/25,709.67 = 14,388.18/x
3. Step 3: Cross multiply
   17,168.82x = 25,709.67 × 14,388.18
4. Step 4: Simplify right side
   17,168.82x = 369,915,359.70
5. Step 5: Solve for x
   x = 369,915,359.70/17,168.82
6. Step 6: Final answer
   x = 21,545.76