Finding the Fourth Proportional to 11,986.72, 16,543.83 and 7,514.35

Step by Step Solution

1. Step 1: Write the proportion equation
   11,986.72 : 16,543.83 = 7,514.35 : x
2. Step 2: Convert to fraction form
   11,986.72/16,543.83 = 7,514.35/x
3. Step 3: Cross multiply
   11,986.72x = 16,543.83 × 7,514.35
4. Step 4: Simplify right side
   11,986.72x = 124,316,128.96
5. Step 5: Solve for x
   x = 124,316,128.96/11,986.72
6. Step 6: Final answer
   x = 10,371.15