Finding the Fourth Proportional to 17,271.60, 23,828.84 and 9,716.73

Step by Step Solution

1. Step 1: Write the proportion equation
   17,271.60 : 23,828.84 = 9,716.73 : x
2. Step 2: Convert to fraction form
   17,271.60/23,828.84 = 9,716.73/x
3. Step 3: Cross multiply
   17,271.60x = 23,828.84 × 9,716.73
4. Step 4: Simplify right side
   17,271.60x = 231,538,404.49
5. Step 5: Solve for x
   x = 231,538,404.49/17,271.60
6. Step 6: Final answer
   x = 13,405.73