Finding the Fourth Proportional to 80,304.78, 120,476.31 and 27,714.72

Step by Step Solution

1. Step 1: Write the proportion equation
   80,304.78 : 120,476.31 = 27,714.72 : x
2. Step 2: Convert to fraction form
   80,304.78/120,476.31 = 27,714.72/x
3. Step 3: Cross multiply
   80,304.78x = 120,476.31 × 27,714.72
4. Step 4: Simplify right side
   80,304.78x = 3,338,967,198.28
5. Step 5: Solve for x
   x = 3,338,967,198.28/80,304.78
6. Step 6: Final answer
   x = 41,578.69