Finding the Fourth Proportional to 12,740.24, 17,581.69 and 7,075.34

Step by Step Solution

1. Step 1: Write the proportion equation
   12,740.24 : 17,581.69 = 7,075.34 : x
2. Step 2: Convert to fraction form
   12,740.24/17,581.69 = 7,075.34/x
3. Step 3: Cross multiply
   12,740.24x = 17,581.69 × 7,075.34
4. Step 4: Simplify right side
   12,740.24x = 124,396,434.52
5. Step 5: Solve for x
   x = 124,396,434.52/12,740.24
6. Step 6: Final answer
   x = 9,764.06