Finding the Fourth Proportional to 16,233.72, 24,350.76 and 13,878.48

Step by Step Solution

1. Step 1: Write the proportion equation
   16,233.72 : 24,350.76 = 13,878.48 : x
2. Step 2: Convert to fraction form
   16,233.72/24,350.76 = 13,878.48/x
3. Step 3: Cross multiply
   16,233.72x = 24,350.76 × 13,878.48
4. Step 4: Simplify right side
   16,233.72x = 337,951,535.64
5. Step 5: Solve for x
   x = 337,951,535.64/16,233.72
6. Step 6: Final answer
   x = 20,817.87