Finding the Fourth Proportional to 16,794.88, 23,176.56 and 9,721.16

Step by Step Solution

1. Step 1: Write the proportion equation
   16,794.88 : 23,176.56 = 9,721.16 : x
2. Step 2: Convert to fraction form
   16,794.88/23,176.56 = 9,721.16/x
3. Step 3: Cross multiply
   16,794.88x = 23,176.56 × 9,721.16
4. Step 4: Simplify right side
   16,794.88x = 225,303,048.01
5. Step 5: Solve for x
   x = 225,303,048.01/16,794.88
6. Step 6: Final answer
   x = 13,414.98