Finding the Fourth Proportional to 16,819.24, 23,209.72 and 9,747.96

Step by Step Solution

1. Step 1: Write the proportion equation
   16,819.24 : 23,209.72 = 9,747.96 : x
2. Step 2: Convert to fraction form
   16,819.24/23,209.72 = 9,747.96/x
3. Step 3: Cross multiply
   16,819.24x = 23,209.72 × 9,747.96
4. Step 4: Simplify right side
   16,819.24x = 226,247,422.17
5. Step 5: Solve for x
   x = 226,247,422.17/16,819.24
6. Step 6: Final answer
   x = 13,451.70