Finding the Fourth Proportional to 16,500.27, 22,765.09 and 10,120.30

Step by Step Solution

1. Step 1: Write the proportion equation
   16,500.27 : 22,765.09 = 10,120.30 : x
2. Step 2: Convert to fraction form
   16,500.27/22,765.09 = 10,120.30/x
3. Step 3: Cross multiply
   16,500.27x = 22,765.09 × 10,120.30
4. Step 4: Simplify right side
   16,500.27x = 230,389,540.33
5. Step 5: Solve for x
   x = 230,389,540.33/16,500.27
6. Step 6: Final answer
   x = 13,962.77