Finding the Fourth Proportional to 16,514.96, 22,793.28 and 12,743.60

Step by Step Solution

1. Step 1: Write the proportion equation
   16,514.96 : 22,793.28 = 12,743.60 : x
2. Step 2: Convert to fraction form
   16,514.96/22,793.28 = 12,743.60/x
3. Step 3: Cross multiply
   16,514.96x = 22,793.28 × 12,743.60
4. Step 4: Simplify right side
   16,514.96x = 290,468,443.01
5. Step 5: Solve for x
   x = 290,468,443.01/16,514.96
6. Step 6: Final answer
   x = 17,588.20