Finding the Fourth Proportional to 16,481.18, 22,745.64 and 9,408.62

Step by Step Solution

1. Step 1: Write the proportion equation
   16,481.18 : 22,745.64 = 9,408.62 : x
2. Step 2: Convert to fraction form
   16,481.18/22,745.64 = 9,408.62/x
3. Step 3: Cross multiply
   16,481.18x = 22,745.64 × 9,408.62
4. Step 4: Simplify right side
   16,481.18x = 214,005,083.42
5. Step 5: Solve for x
   x = 214,005,083.42/16,481.18
6. Step 6: Final answer
   x = 12,984.82