Finding the Fourth Proportional to 22,375.61, 30,878.84 and 12,304.61

Step by Step Solution

1. Step 1: Write the proportion equation
   22,375.61 : 30,878.84 = 12,304.61 : x
2. Step 2: Convert to fraction form
   22,375.61/30,878.84 = 12,304.61/x
3. Step 3: Cross multiply
   22,375.61x = 30,878.84 × 12,304.61
4. Step 4: Simplify right side
   22,375.61x = 379,951,959.82
5. Step 5: Solve for x
   x = 379,951,959.82/22,375.61
6. Step 6: Final answer
   x = 16,980.63