Finding the Fourth Proportional to 16,217.50, 24,294.78 and 10,653.96

Step by Step Solution

1. Step 1: Write the proportion equation
   16,217.50 : 24,294.78 = 10,653.96 : x
2. Step 2: Convert to fraction form
   16,217.50/24,294.78 = 10,653.96/x
3. Step 3: Cross multiply
   16,217.50x = 24,294.78 × 10,653.96
4. Step 4: Simplify right side
   16,217.50x = 258,835,614.33
5. Step 5: Solve for x
   x = 258,835,614.33/16,217.50
6. Step 6: Final answer
   x = 15,960.27