Finding the Fourth Proportional to 17,949.75, 24,762.15 and 12,647.49

Step by Step Solution

1. Step 1: Write the proportion equation
   17,949.75 : 24,762.15 = 12,647.49 : x
2. Step 2: Convert to fraction form
   17,949.75/24,762.15 = 12,647.49/x
3. Step 3: Cross multiply
   17,949.75x = 24,762.15 × 12,647.49
4. Step 4: Simplify right side
   17,949.75x = 313,179,044.50
5. Step 5: Solve for x
   x = 313,179,044.50/17,949.75
6. Step 6: Final answer
   x = 17,447.54