Finding the Fourth Proportional to 12,762.94, 17,610.27 and 7,456.73

Step by Step Solution

1. Step 1: Write the proportion equation
   12,762.94 : 17,610.27 = 7,456.73 : x
2. Step 2: Convert to fraction form
   12,762.94/17,610.27 = 7,456.73/x
3. Step 3: Cross multiply
   12,762.94x = 17,610.27 × 7,456.73
4. Step 4: Simplify right side
   12,762.94x = 131,315,028.62
5. Step 5: Solve for x
   x = 131,315,028.62/12,762.94
6. Step 6: Final answer
   x = 10,288.78