Finding the Fourth Proportional to 16,839.73, 23,234.27 and 9,571.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,839.73 : 23,234.27 = 9,571.72 : x
2. Step 2: Convert to fraction form
   16,839.73/23,234.27 = 9,571.72/x
3. Step 3: Cross multiply
   16,839.73x = 23,234.27 × 9,571.72
4. Step 4: Simplify right side
   16,839.73x = 222,391,926.84
5. Step 5: Solve for x
   x = 222,391,926.84/16,839.73
6. Step 6: Final answer
   x = 13,206.38