Finding the Fourth Proportional to 12,757.53, 17,605.59 and 7,015.22

Step by Step Solution

1. Step 1: Write the proportion equation
   12,757.53 : 17,605.59 = 7,015.22 : x
2. Step 2: Convert to fraction form
   12,757.53/17,605.59 = 7,015.22/x
3. Step 3: Cross multiply
   12,757.53x = 17,605.59 × 7,015.22
4. Step 4: Simplify right side
   12,757.53x = 123,507,087.08
5. Step 5: Solve for x
   x = 123,507,087.08/12,757.53
6. Step 6: Final answer
   x = 9,681.11