Finding the Fourth Proportional to 16,215.27, 22,379.34 and 9,845.03

Step by Step Solution

1. Step 1: Write the proportion equation
   16,215.27 : 22,379.34 = 9,845.03 : x
2. Step 2: Convert to fraction form
   16,215.27/22,379.34 = 9,845.03/x
3. Step 3: Cross multiply
   16,215.27x = 22,379.34 × 9,845.03
4. Step 4: Simplify right side
   16,215.27x = 220,325,161.78
5. Step 5: Solve for x
   x = 220,325,161.78/16,215.27
6. Step 6: Final answer
   x = 13,587.51