Finding the Fourth Proportional to 12,757.99, 17,606.23 and 7,015.69

Step by Step Solution

1. Step 1: Write the proportion equation
   12,757.99 : 17,606.23 = 7,015.69 : x
2. Step 2: Convert to fraction form
   12,757.99/17,606.23 = 7,015.69/x
3. Step 3: Cross multiply
   12,757.99x = 17,606.23 × 7,015.69
4. Step 4: Simplify right side
   12,757.99x = 123,519,851.75
5. Step 5: Solve for x
   x = 123,519,851.75/12,757.99
6. Step 6: Final answer
   x = 9,681.76