Finding the Fourth Proportional to 22,375.36, 30,878.50 and 12,304.36

Step by Step Solution

1. Step 1: Write the proportion equation
   22,375.36 : 30,878.50 = 12,304.36 : x
2. Step 2: Convert to fraction form
   22,375.36/30,878.50 = 12,304.36/x
3. Step 3: Cross multiply
   22,375.36x = 30,878.50 × 12,304.36
4. Step 4: Simplify right side
   22,375.36x = 379,940,025.87
5. Step 5: Solve for x
   x = 379,940,025.87/22,375.36
6. Step 6: Final answer
   x = 16,980.29