Finding the Fourth Proportional to 19,144.27, 28,644.27 and 17,201.89

Step by Step Solution

1. Step 1: Write the proportion equation
   19,144.27 : 28,644.27 = 17,201.89 : x
2. Step 2: Convert to fraction form
   19,144.27/28,644.27 = 17,201.89/x
3. Step 3: Cross multiply
   19,144.27x = 28,644.27 × 17,201.89
4. Step 4: Simplify right side
   19,144.27x = 492,735,581.67
5. Step 5: Solve for x
   x = 492,735,581.67/19,144.27
6. Step 6: Final answer
   x = 25,738.02