Finding the Fourth Proportional to 11,986.89, 16,541.52 and 7,513.07

Step by Step Solution

1. Step 1: Write the proportion equation
   11,986.89 : 16,541.52 = 7,513.07 : x
2. Step 2: Convert to fraction form
   11,986.89/16,541.52 = 7,513.07/x
3. Step 3: Cross multiply
   11,986.89x = 16,541.52 × 7,513.07
4. Step 4: Simplify right side
   11,986.89x = 124,277,514.96
5. Step 5: Solve for x
   x = 124,277,514.96/11,986.89
6. Step 6: Final answer
   x = 10,367.79