Finding the Fourth Proportional to 22,375.72, 30,877.87 and 12,304.18

Step by Step Solution

1. Step 1: Write the proportion equation
   22,375.72 : 30,877.87 = 12,304.18 : x
2. Step 2: Convert to fraction form
   22,375.72/30,877.87 = 12,304.18/x
3. Step 3: Cross multiply
   22,375.72x = 30,877.87 × 12,304.18
4. Step 4: Simplify right side
   22,375.72x = 379,926,870.50
5. Step 5: Solve for x
   x = 379,926,870.50/22,375.72
6. Step 6: Final answer
   x = 16,979.43