Finding the Fourth Proportional to 16,183.72, 22,300.68 and 12,406.96

Step by Step Solution

1. Step 1: Write the proportion equation
   16,183.72 : 22,300.68 = 12,406.96 : x
2. Step 2: Convert to fraction form
   16,183.72/22,300.68 = 12,406.96/x
3. Step 3: Cross multiply
   16,183.72x = 22,300.68 × 12,406.96
4. Step 4: Simplify right side
   16,183.72x = 276,683,644.73
5. Step 5: Solve for x
   x = 276,683,644.73/16,183.72
6. Step 6: Final answer
   x = 17,096.42