Finding the Fourth Proportional to 13,033.50, 17,986.23 and 7,065.12

Step by Step Solution

1. Step 1: Write the proportion equation
   13,033.50 : 17,986.23 = 7,065.12 : x
2. Step 2: Convert to fraction form
   13,033.50/17,986.23 = 7,065.12/x
3. Step 3: Cross multiply
   13,033.50x = 17,986.23 × 7,065.12
4. Step 4: Simplify right side
   13,033.50x = 127,074,873.30
5. Step 5: Solve for x
   x = 127,074,873.30/13,033.50
6. Step 6: Final answer
   x = 9,749.87