Finding the Fourth Proportional to 22,966.24, 31,693.80 and 12,757

Step by Step Solution

1. Step 1: Write the proportion equation
   22,966.24 : 31,693.80 = 12,757 : x
2. Step 2: Convert to fraction form
   22,966.24/31,693.80 = 12,757/x
3. Step 3: Cross multiply
   22,966.24x = 31,693.80 × 12,757
4. Step 4: Simplify right side
   22,966.24x = 404,317,806.60
5. Step 5: Solve for x
   x = 404,317,806.60/22,966.24
6. Step 6: Final answer
   x = 17,604.88