Finding the Fourth Proportional to 12,997.33, 17,936.33 and 7,028.99

Step by Step Solution

1. Step 1: Write the proportion equation
   12,997.33 : 17,936.33 = 7,028.99 : x
2. Step 2: Convert to fraction form
   12,997.33/17,936.33 = 7,028.99/x
3. Step 3: Cross multiply
   12,997.33x = 17,936.33 × 7,028.99
4. Step 4: Simplify right side
   12,997.33x = 126,074,293.90
5. Step 5: Solve for x
   x = 126,074,293.90/12,997.33
6. Step 6: Final answer
   x = 9,700.02