Finding the Fourth Proportional to 22,882.73, 31,578.18 and 12,811.19

Step by Step Solution

1. Step 1: Write the proportion equation
   22,882.73 : 31,578.18 = 12,811.19 : x
2. Step 2: Convert to fraction form
   22,882.73/31,578.18 = 12,811.19/x
3. Step 3: Cross multiply
   22,882.73x = 31,578.18 × 12,811.19
4. Step 4: Simplify right side
   22,882.73x = 404,554,142.78
5. Step 5: Solve for x
   x = 404,554,142.78/22,882.73
6. Step 6: Final answer
   x = 17,679.45