Finding the Fourth Proportional to 25,010.82, 34,514.43 and 13,680.27

Step by Step Solution

1. Step 1: Write the proportion equation
   25,010.82 : 34,514.43 = 13,680.27 : x
2. Step 2: Convert to fraction form
   25,010.82/34,514.43 = 13,680.27/x
3. Step 3: Cross multiply
   25,010.82x = 34,514.43 × 13,680.27
4. Step 4: Simplify right side
   25,010.82x = 472,166,721.30
5. Step 5: Solve for x
   x = 472,166,721.30/25,010.82
6. Step 6: Final answer
   x = 18,878.50