Finding the Fourth Proportional to 16,221.56, 22,395.48 and 14,540

Step by Step Solution

1. Step 1: Write the proportion equation
   16,221.56 : 22,395.48 = 14,540 : x
2. Step 2: Convert to fraction form
   16,221.56/22,395.48 = 14,540/x
3. Step 3: Cross multiply
   16,221.56x = 22,395.48 × 14,540
4. Step 4: Simplify right side
   16,221.56x = 325,630,279.20
5. Step 5: Solve for x
   x = 325,630,279.20/16,221.56
6. Step 6: Final answer
   x = 20,073.92