Finding the Fourth Proportional to 10,843.96, 16,287.72 and 6,469.96

Step by Step Solution

1. Step 1: Write the proportion equation
   10,843.96 : 16,287.72 = 6,469.96 : x
2. Step 2: Convert to fraction form
   10,843.96/16,287.72 = 6,469.96/x
3. Step 3: Cross multiply
   10,843.96x = 16,287.72 × 6,469.96
4. Step 4: Simplify right side
   10,843.96x = 105,380,896.89
5. Step 5: Solve for x
   x = 105,380,896.89/10,843.96
6. Step 6: Final answer
   x = 9,717.93