Finding the Fourth Proportional to 13,033.76, 17,986.59 and 7,065.47

Step by Step Solution

1. Step 1: Write the proportion equation
   13,033.76 : 17,986.59 = 7,065.47 : x
2. Step 2: Convert to fraction form
   13,033.76/17,986.59 = 7,065.47/x
3. Step 3: Cross multiply
   13,033.76x = 17,986.59 × 7,065.47
4. Step 4: Simplify right side
   13,033.76x = 127,083,757.01
5. Step 5: Solve for x
   x = 127,083,757.01/13,033.76
6. Step 6: Final answer
   x = 9,750.36