Finding the Fourth Proportional to 11,013.27, 16,514.49 and 7,683.12

Step by Step Solution

1. Step 1: Write the proportion equation
   11,013.27 : 16,514.49 = 7,683.12 : x
2. Step 2: Convert to fraction form
   11,013.27/16,514.49 = 7,683.12/x
3. Step 3: Cross multiply
   11,013.27x = 16,514.49 × 7,683.12
4. Step 4: Simplify right side
   11,013.27x = 126,882,808.41
5. Step 5: Solve for x
   x = 126,882,808.41/11,013.27
6. Step 6: Final answer
   x = 11,520.90