Finding the Fourth Proportional to 12,514.80, 17,273.34 and 8,266.62

Step by Step Solution

1. Step 1: Write the proportion equation
   12,514.80 : 17,273.34 = 8,266.62 : x
2. Step 2: Convert to fraction form
   12,514.80/17,273.34 = 8,266.62/x
3. Step 3: Cross multiply
   12,514.80x = 17,273.34 × 8,266.62
4. Step 4: Simplify right side
   12,514.80x = 142,792,137.91
5. Step 5: Solve for x
   x = 142,792,137.91/12,514.80
6. Step 6: Final answer
   x = 11,409.86