Finding the Fourth Proportional to 17,277.88, 23,843.57 and 9,724.34

Step by Step Solution

1. Step 1: Write the proportion equation
   17,277.88 : 23,843.57 = 9,724.34 : x
2. Step 2: Convert to fraction form
   17,277.88/23,843.57 = 9,724.34/x
3. Step 3: Cross multiply
   17,277.88x = 23,843.57 × 9,724.34
4. Step 4: Simplify right side
   17,277.88x = 231,862,981.49
5. Step 5: Solve for x
   x = 231,862,981.49/17,277.88
6. Step 6: Final answer
   x = 13,419.64