Finding the Fourth Proportional to 16,283.34, 22,469.58 and 9,211.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,283.34 : 22,469.58 = 9,211.50 : x
2. Step 2: Convert to fraction form
   16,283.34/22,469.58 = 9,211.50/x
3. Step 3: Cross multiply
   16,283.34x = 22,469.58 × 9,211.50
4. Step 4: Simplify right side
   16,283.34x = 206,978,536.17
5. Step 5: Solve for x
   x = 206,978,536.17/16,283.34
6. Step 6: Final answer
   x = 12,711.06