Finding the Fourth Proportional to 12,997.27, 17,936.22 and 7,028.95

Step by Step Solution

1. Step 1: Write the proportion equation
   12,997.27 : 17,936.22 = 7,028.95 : x
2. Step 2: Convert to fraction form
   12,997.27/17,936.22 = 7,028.95/x
3. Step 3: Cross multiply
   12,997.27x = 17,936.22 × 7,028.95
4. Step 4: Simplify right side
   12,997.27x = 126,072,758.42
5. Step 5: Solve for x
   x = 126,072,758.42/12,997.27
6. Step 6: Final answer
   x = 9,699.95