Finding the Fourth Proportional to 16,813.56, 23,202.72 and 9,744.09

Step by Step Solution

1. Step 1: Write the proportion equation
   16,813.56 : 23,202.72 = 9,744.09 : x
2. Step 2: Convert to fraction form
   16,813.56/23,202.72 = 9,744.09/x
3. Step 3: Cross multiply
   16,813.56x = 23,202.72 × 9,744.09
4. Step 4: Simplify right side
   16,813.56x = 226,089,391.92
5. Step 5: Solve for x
   x = 226,089,391.92/16,813.56
6. Step 6: Final answer
   x = 13,446.85