Finding the Fourth Proportional to 13,514.63, 18,648.83 and 9,269.32

Step by Step Solution

1. Step 1: Write the proportion equation
   13,514.63 : 18,648.83 = 9,269.32 : x
2. Step 2: Convert to fraction form
   13,514.63/18,648.83 = 9,269.32/x
3. Step 3: Cross multiply
   13,514.63x = 18,648.83 × 9,269.32
4. Step 4: Simplify right side
   13,514.63x = 172,861,879.65
5. Step 5: Solve for x
   x = 172,861,879.65/13,514.63
6. Step 6: Final answer
   x = 12,790.72