Finding the Fourth Proportional to 12,996.56, 17,935.24 and 7,028.18

Step by Step Solution

1. Step 1: Write the proportion equation
   12,996.56 : 17,935.24 = 7,028.18 : x
2. Step 2: Convert to fraction form
   12,996.56/17,935.24 = 7,028.18/x
3. Step 3: Cross multiply
   12,996.56x = 17,935.24 × 7,028.18
4. Step 4: Simplify right side
   12,996.56x = 126,051,970.25
5. Step 5: Solve for x
   x = 126,051,970.25/12,996.56
6. Step 6: Final answer
   x = 9,698.88