Finding the Fourth Proportional to 12,762.24, 17,609.31 and 7,456.03

Step by Step Solution

1. Step 1: Write the proportion equation
   12,762.24 : 17,609.31 = 7,456.03 : x
2. Step 2: Convert to fraction form
   12,762.24/17,609.31 = 7,456.03/x
3. Step 3: Cross multiply
   12,762.24x = 17,609.31 × 7,456.03
4. Step 4: Simplify right side
   12,762.24x = 131,295,643.14
5. Step 5: Solve for x
   x = 131,295,643.14/12,762.24
6. Step 6: Final answer
   x = 10,287.82