Finding the Fourth Proportional to 12,997.05, 17,935.98 and 7,028.76

Step by Step Solution

1. Step 1: Write the proportion equation
   12,997.05 : 17,935.98 = 7,028.76 : x
2. Step 2: Convert to fraction form
   12,997.05/17,935.98 = 7,028.76/x
3. Step 3: Cross multiply
   12,997.05x = 17,935.98 × 7,028.76
4. Step 4: Simplify right side
   12,997.05x = 126,067,708.48
5. Step 5: Solve for x
   x = 126,067,708.48/12,997.05
6. Step 6: Final answer
   x = 9,699.72