Finding the Fourth Proportional to 12,269.73, 18,404.24 and 3,949.68

Step by Step Solution

1. Step 1: Write the proportion equation
   12,269.73 : 18,404.24 = 3,949.68 : x
2. Step 2: Convert to fraction form
   12,269.73/18,404.24 = 3,949.68/x
3. Step 3: Cross multiply
   12,269.73x = 18,404.24 × 3,949.68
4. Step 4: Simplify right side
   12,269.73x = 72,690,838.89
5. Step 5: Solve for x
   x = 72,690,838.89/12,269.73
6. Step 6: Final answer
   x = 5,924.40