Finding the Fourth Proportional to 16,234.76, 22,403.78 and 9,519

Step by Step Solution

1. Step 1: Write the proportion equation
   16,234.76 : 22,403.78 = 9,519 : x
2. Step 2: Convert to fraction form
   16,234.76/22,403.78 = 9,519/x
3. Step 3: Cross multiply
   16,234.76x = 22,403.78 × 9,519
4. Step 4: Simplify right side
   16,234.76x = 213,261,581.82
5. Step 5: Solve for x
   x = 213,261,581.82/16,234.76
6. Step 6: Final answer
   x = 13,136.11