Finding the Fourth Proportional to 11,514.82, 17,274.39 and 7,971.88

Step by Step Solution

1. Step 1: Write the proportion equation
   11,514.82 : 17,274.39 = 7,971.88 : x
2. Step 2: Convert to fraction form
   11,514.82/17,274.39 = 7,971.88/x
3. Step 3: Cross multiply
   11,514.82x = 17,274.39 × 7,971.88
4. Step 4: Simplify right side
   11,514.82x = 137,709,364.15
5. Step 5: Solve for x
   x = 137,709,364.15/11,514.82
6. Step 6: Final answer
   x = 11,959.32