Finding the Fourth Proportional to 12,757, 17,597.32 and 7,968.64

Step by Step Solution

1. Step 1: Write the proportion equation
   12,757 : 17,597.32 = 7,968.64 : x
2. Step 2: Convert to fraction form
   12,757/17,597.32 = 7,968.64/x
3. Step 3: Cross multiply
   12,757x = 17,597.32 × 7,968.64
4. Step 4: Simplify right side
   12,757x = 140,226,708.04
5. Step 5: Solve for x
   x = 140,226,708.04/12,757
6. Step 6: Final answer
   x = 10,992.14