Finding the Fourth Proportional to 17,146.34, 25,721.33 and 5,456.82

Step by Step Solution

1. Step 1: Write the proportion equation
   17,146.34 : 25,721.33 = 5,456.82 : x
2. Step 2: Convert to fraction form
   17,146.34/25,721.33 = 5,456.82/x
3. Step 3: Cross multiply
   17,146.34x = 25,721.33 × 5,456.82
4. Step 4: Simplify right side
   17,146.34x = 140,356,667.97
5. Step 5: Solve for x
   x = 140,356,667.97/17,146.34
6. Step 6: Final answer
   x = 8,185.81