Finding the Fourth Proportional to 16,443.83, 22,693.82 and 9,728.37

Step by Step Solution

1. Step 1: Write the proportion equation
   16,443.83 : 22,693.82 = 9,728.37 : x
2. Step 2: Convert to fraction form
   16,443.83/22,693.82 = 9,728.37/x
3. Step 3: Cross multiply
   16,443.83x = 22,693.82 × 9,728.37
4. Step 4: Simplify right side
   16,443.83x = 220,773,883.75
5. Step 5: Solve for x
   x = 220,773,883.75/16,443.83
6. Step 6: Final answer
   x = 13,425.94