Finding the Fourth Proportional to 22,432.05, 30,956.94 and 12,873.69

Step by Step Solution

1. Step 1: Write the proportion equation
   22,432.05 : 30,956.94 = 12,873.69 : x
2. Step 2: Convert to fraction form
   22,432.05/30,956.94 = 12,873.69/x
3. Step 3: Cross multiply
   22,432.05x = 30,956.94 × 12,873.69
4. Step 4: Simplify right side
   22,432.05x = 398,530,048.91
5. Step 5: Solve for x
   x = 398,530,048.91/22,432.05
6. Step 6: Final answer
   x = 17,766.10