Finding the Fourth Proportional to 17,284.88, 23,851.71 and 9,728.79

Step by Step Solution

1. Step 1: Write the proportion equation
   17,284.88 : 23,851.71 = 9,728.79 : x
2. Step 2: Convert to fraction form
   17,284.88/23,851.71 = 9,728.79/x
3. Step 3: Cross multiply
   17,284.88x = 23,851.71 × 9,728.79
4. Step 4: Simplify right side
   17,284.88x = 232,048,277.73
5. Step 5: Solve for x
   x = 232,048,277.73/17,284.88
6. Step 6: Final answer
   x = 13,424.93