Finding the Fourth Proportional to 12,759.97, 17,613.57 and 7,456.51

Step by Step Solution

1. Step 1: Write the proportion equation
   12,759.97 : 17,613.57 = 7,456.51 : x
2. Step 2: Convert to fraction form
   12,759.97/17,613.57 = 7,456.51/x
3. Step 3: Cross multiply
   12,759.97x = 17,613.57 × 7,456.51
4. Step 4: Simplify right side
   12,759.97x = 131,335,760.84
5. Step 5: Solve for x
   x = 131,335,760.84/12,759.97
6. Step 6: Final answer
   x = 10,292.80