Finding the Fourth Proportional to 11,994.24, 17,971.20 and 8,514.24

Step by Step Solution

1. Step 1: Write the proportion equation
   11,994.24 : 17,971.20 = 8,514.24 : x
2. Step 2: Convert to fraction form
   11,994.24/17,971.20 = 8,514.24/x
3. Step 3: Cross multiply
   11,994.24x = 17,971.20 × 8,514.24
4. Step 4: Simplify right side
   11,994.24x = 153,011,109.89
5. Step 5: Solve for x
   x = 153,011,109.89/11,994.24
6. Step 6: Final answer
   x = 12,757.05