Finding the Fourth Proportional to 11,496.98, 15,865.37 and 7,028.21

Step by Step Solution

1. Step 1: Write the proportion equation
   11,496.98 : 15,865.37 = 7,028.21 : x
2. Step 2: Convert to fraction form
   11,496.98/15,865.37 = 7,028.21/x
3. Step 3: Cross multiply
   11,496.98x = 15,865.37 × 7,028.21
4. Step 4: Simplify right side
   11,496.98x = 111,505,072.76
5. Step 5: Solve for x
   x = 111,505,072.76/11,496.98
6. Step 6: Final answer
   x = 9,698.64