Finding the Fourth Proportional to 22,162, 30,583.88 and 12,732.24

Step by Step Solution

1. Step 1: Write the proportion equation
   22,162 : 30,583.88 = 12,732.24 : x
2. Step 2: Convert to fraction form
   22,162/30,583.88 = 12,732.24/x
3. Step 3: Cross multiply
   22,162x = 30,583.88 × 12,732.24
4. Step 4: Simplify right side
   22,162x = 389,401,300.29
5. Step 5: Solve for x
   x = 389,401,300.29/22,162
6. Step 6: Final answer
   x = 17,570.68