Finding the Fourth Proportional to 16,229.25, 22,396.37 and 11,521.73

Step by Step Solution

1. Step 1: Write the proportion equation
   16,229.25 : 22,396.37 = 11,521.73 : x
2. Step 2: Convert to fraction form
   16,229.25/22,396.37 = 11,521.73/x
3. Step 3: Cross multiply
   16,229.25x = 22,396.37 × 11,521.73
4. Step 4: Simplify right side
   16,229.25x = 258,044,926.50
5. Step 5: Solve for x
   x = 258,044,926.50/16,229.25
6. Step 6: Final answer
   x = 15,899.99