Finding the Fourth Proportional to 16,228.55, 22,395.47 and 9,514.28

Step by Step Solution

1. Step 1: Write the proportion equation
   16,228.55 : 22,395.47 = 9,514.28 : x
2. Step 2: Convert to fraction form
   16,228.55/22,395.47 = 9,514.28/x
3. Step 3: Cross multiply
   16,228.55x = 22,395.47 × 9,514.28
4. Step 4: Simplify right side
   16,228.55x = 213,076,612.76
5. Step 5: Solve for x
   x = 213,076,612.76/16,228.55
6. Step 6: Final answer
   x = 13,129.74