Finding the Fourth Proportional to 11,568.15, 15,949.59 and 9,656.73

Step by Step Solution

1. Step 1: Write the proportion equation
   11,568.15 : 15,949.59 = 9,656.73 : x
2. Step 2: Convert to fraction form
   11,568.15/15,949.59 = 9,656.73/x
3. Step 3: Cross multiply
   11,568.15x = 15,949.59 × 9,656.73
4. Step 4: Simplify right side
   11,568.15x = 154,020,884.24
5. Step 5: Solve for x
   x = 154,020,884.24/11,568.15
6. Step 6: Final answer
   x = 13,314.22