Finding the Fourth Proportional to 16,819.53, 23,207.96 and 9,744.59

Step by Step Solution

1. Step 1: Write the proportion equation
   16,819.53 : 23,207.96 = 9,744.59 : x
2. Step 2: Convert to fraction form
   16,819.53/23,207.96 = 9,744.59/x
3. Step 3: Cross multiply
   16,819.53x = 23,207.96 × 9,744.59
4. Step 4: Simplify right side
   16,819.53x = 226,151,890.17
5. Step 5: Solve for x
   x = 226,151,890.17/16,819.53
6. Step 6: Final answer
   x = 13,445.79