Finding the Fourth Proportional to 12,757.56, 17,607.06 and 7,168.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,757.56 : 17,607.06 = 7,168.56 : x
2. Step 2: Convert to fraction form
   12,757.56/17,607.06 = 7,168.56/x
3. Step 3: Cross multiply
   12,757.56x = 17,607.06 × 7,168.56
4. Step 4: Simplify right side
   12,757.56x = 126,217,266.03
5. Step 5: Solve for x
   x = 126,217,266.03/12,757.56
6. Step 6: Final answer
   x = 9,893.53