Finding the Fourth Proportional to 16,815.72, 23,205.69 and 9,746.24

Step by Step Solution

1. Step 1: Write the proportion equation
   16,815.72 : 23,205.69 = 9,746.24 : x
2. Step 2: Convert to fraction form
   16,815.72/23,205.69 = 9,746.24/x
3. Step 3: Cross multiply
   16,815.72x = 23,205.69 × 9,746.24
4. Step 4: Simplify right side
   16,815.72x = 226,168,306.49
5. Step 5: Solve for x
   x = 226,168,306.49/16,815.72
6. Step 6: Final answer
   x = 13,449.81