Finding the Fourth Proportional to 13,033.62, 17,986.41 and 7,065.28

Step by Step Solution

1. Step 1: Write the proportion equation
   13,033.62 : 17,986.41 = 7,065.28 : x
2. Step 2: Convert to fraction form
   13,033.62/17,986.41 = 7,065.28/x
3. Step 3: Cross multiply
   13,033.62x = 17,986.41 × 7,065.28
4. Step 4: Simplify right side
   13,033.62x = 127,079,022.84
5. Step 5: Solve for x
   x = 127,079,022.84/13,033.62
6. Step 6: Final answer
   x = 9,750.09