Finding the Fourth Proportional to 22,376.27, 30,879.28 and 12,304.88

Step by Step Solution

1. Step 1: Write the proportion equation
   22,376.27 : 30,879.28 = 12,304.88 : x
2. Step 2: Convert to fraction form
   22,376.27/30,879.28 = 12,304.88/x
3. Step 3: Cross multiply
   22,376.27x = 30,879.28 × 12,304.88
4. Step 4: Simplify right side
   22,376.27x = 379,965,834.89
5. Step 5: Solve for x
   x = 379,965,834.89/22,376.27
6. Step 6: Final answer
   x = 16,980.75