Finding the Fourth Proportional to 12,996.82, 17,935.56 and 7,028.49

Step by Step Solution

1. Step 1: Write the proportion equation
   12,996.82 : 17,935.56 = 7,028.49 : x
2. Step 2: Convert to fraction form
   12,996.82/17,935.56 = 7,028.49/x
3. Step 3: Cross multiply
   12,996.82x = 17,935.56 × 7,028.49
4. Step 4: Simplify right side
   12,996.82x = 126,059,971.36
5. Step 5: Solve for x
   x = 126,059,971.36/12,996.82
6. Step 6: Final answer
   x = 9,699.29