Finding the Fourth Proportional to 16,521, 22,792.48 and 9,443.62

Step by Step Solution

1. Step 1: Write the proportion equation
   16,521 : 22,792.48 = 9,443.62 : x
2. Step 2: Convert to fraction form
   16,521/22,792.48 = 9,443.62/x
3. Step 3: Cross multiply
   16,521x = 22,792.48 × 9,443.62
4. Step 4: Simplify right side
   16,521x = 215,243,519.98
5. Step 5: Solve for x
   x = 215,243,519.98/16,521
6. Step 6: Final answer
   x = 13,028.48