Finding the Fourth Proportional to 16,631.50, 22,945.76 and 9,912.54

Step by Step Solution

1. Step 1: Write the proportion equation
   16,631.50 : 22,945.76 = 9,912.54 : x
2. Step 2: Convert to fraction form
   16,631.50/22,945.76 = 9,912.54/x
3. Step 3: Cross multiply
   16,631.50x = 22,945.76 × 9,912.54
4. Step 4: Simplify right side
   16,631.50x = 227,450,763.83
5. Step 5: Solve for x
   x = 227,450,763.83/16,631.50
6. Step 6: Final answer
   x = 13,675.90