Finding the Fourth Proportional to 12,514.88, 17,268.72 and 8,039

Step by Step Solution

1. Step 1: Write the proportion equation
   12,514.88 : 17,268.72 = 8,039 : x
2. Step 2: Convert to fraction form
   12,514.88/17,268.72 = 8,039/x
3. Step 3: Cross multiply
   12,514.88x = 17,268.72 × 8,039
4. Step 4: Simplify right side
   12,514.88x = 138,823,240.08
5. Step 5: Solve for x
   x = 138,823,240.08/12,514.88
6. Step 6: Final answer
   x = 11,092.65