Finding the Fourth Proportional to 16,295.67, 22,481.33 and 9,917.15

Step by Step Solution

1. Step 1: Write the proportion equation
   16,295.67 : 22,481.33 = 9,917.15 : x
2. Step 2: Convert to fraction form
   16,295.67/22,481.33 = 9,917.15/x
3. Step 3: Cross multiply
   16,295.67x = 22,481.33 × 9,917.15
4. Step 4: Simplify right side
   16,295.67x = 222,950,559.82
5. Step 5: Solve for x
   x = 222,950,559.82/16,295.67
6. Step 6: Final answer
   x = 13,681.58