Finding the Fourth Proportional to 16,853.88, 25,285.68 and 5,168.82

Step by Step Solution

1. Step 1: Write the proportion equation
   16,853.88 : 25,285.68 = 5,168.82 : x
2. Step 2: Convert to fraction form
   16,853.88/25,285.68 = 5,168.82/x
3. Step 3: Cross multiply
   16,853.88x = 25,285.68 × 5,168.82
4. Step 4: Simplify right side
   16,853.88x = 130,697,128.50
5. Step 5: Solve for x
   x = 130,697,128.50/16,853.88
6. Step 6: Final answer
   x = 7,754.72