Finding the Fourth Proportional to 13,033.56, 17,986.32 and 7,065.21

Step by Step Solution

1. Step 1: Write the proportion equation
   13,033.56 : 17,986.32 = 7,065.21 : x
2. Step 2: Convert to fraction form
   13,033.56/17,986.32 = 7,065.21/x
3. Step 3: Cross multiply
   13,033.56x = 17,986.32 × 7,065.21
4. Step 4: Simplify right side
   13,033.56x = 127,077,127.93
5. Step 5: Solve for x
   x = 127,077,127.93/13,033.56
6. Step 6: Final answer
   x = 9,749.99