Finding the Fourth Proportional to 16,853.06, 25,282.56 and 5,757.15

Step by Step Solution

1. Step 1: Write the proportion equation
   16,853.06 : 25,282.56 = 5,757.15 : x
2. Step 2: Convert to fraction form
   16,853.06/25,282.56 = 5,757.15/x
3. Step 3: Cross multiply
   16,853.06x = 25,282.56 × 5,757.15
4. Step 4: Simplify right side
   16,853.06x = 145,555,490.30
5. Step 5: Solve for x
   x = 145,555,490.30/16,853.06
6. Step 6: Final answer
   x = 8,636.74