Finding the Fourth Proportional to 22,949.81, 31,674.32 and 12,882.33

Step by Step Solution

1. Step 1: Write the proportion equation
   22,949.81 : 31,674.32 = 12,882.33 : x
2. Step 2: Convert to fraction form
   22,949.81/31,674.32 = 12,882.33/x
3. Step 3: Cross multiply
   22,949.81x = 31,674.32 × 12,882.33
4. Step 4: Simplify right side
   22,949.81x = 408,039,042.77
5. Step 5: Solve for x
   x = 408,039,042.77/22,949.81
6. Step 6: Final answer
   x = 17,779.63