Finding the Fourth Proportional to 12,404.24, 17,111.72 and 11,514.80

Step by Step Solution

1. Step 1: Write the proportion equation
   12,404.24 : 17,111.72 = 11,514.80 : x
2. Step 2: Convert to fraction form
   12,404.24/17,111.72 = 11,514.80/x
3. Step 3: Cross multiply
   12,404.24x = 17,111.72 × 11,514.80
4. Step 4: Simplify right side
   12,404.24x = 197,038,033.46
5. Step 5: Solve for x
   x = 197,038,033.46/12,404.24
6. Step 6: Final answer
   x = 15,884.73