Finding the Fourth Proportional to 16,221.42, 24,331.82 and 9,898.16

Step by Step Solution

1. Step 1: Write the proportion equation
   16,221.42 : 24,331.82 = 9,898.16 : x
2. Step 2: Convert to fraction form
   16,221.42/24,331.82 = 9,898.16/x
3. Step 3: Cross multiply
   16,221.42x = 24,331.82 × 9,898.16
4. Step 4: Simplify right side
   16,221.42x = 240,840,076.30
5. Step 5: Solve for x
   x = 240,840,076.30/16,221.42
6. Step 6: Final answer
   x = 14,847.04