Finding the Fourth Proportional to 12,727.56, 17,563.98 and 7,759.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,727.56 : 17,563.98 = 7,759.56 : x
2. Step 2: Convert to fraction form
   12,727.56/17,563.98 = 7,759.56/x
3. Step 3: Cross multiply
   12,727.56x = 17,563.98 × 7,759.56
4. Step 4: Simplify right side
   12,727.56x = 136,288,756.65
5. Step 5: Solve for x
   x = 136,288,756.65/12,727.56
6. Step 6: Final answer
   x = 10,708.16