Finding the Fourth Proportional to 16,287.00, 24,389.15 and 13,647.56

Step by Step Solution

1. Step 1: Write the proportion equation
   16,287.00 : 24,389.15 = 13,647.56 : x
2. Step 2: Convert to fraction form
   16,287.00/24,389.15 = 13,647.56/x
3. Step 3: Cross multiply
   16,287.00x = 24,389.15 × 13,647.56
4. Step 4: Simplify right side
   16,287.00x = 332,852,480.34
5. Step 5: Solve for x
   x = 332,852,480.34/16,287.00
6. Step 6: Final answer
   x = 20,436.70