Finding the Fourth Proportional to 22,433.05, 30,958.32 and 12,874.69

Step by Step Solution

1. Step 1: Write the proportion equation
   22,433.05 : 30,958.32 = 12,874.69 : x
2. Step 2: Convert to fraction form
   22,433.05/30,958.32 = 12,874.69/x
3. Step 3: Cross multiply
   22,433.05x = 30,958.32 × 12,874.69
4. Step 4: Simplify right side
   22,433.05x = 398,578,772.92
5. Step 5: Solve for x
   x = 398,578,772.92/22,433.05
6. Step 6: Final answer
   x = 17,767.48