Finding the Fourth Proportional to 16,855.52, 25,282.34 and 5,168.71

Step by Step Solution

1. Step 1: Write the proportion equation
   16,855.52 : 25,282.34 = 5,168.71 : x
2. Step 2: Convert to fraction form
   16,855.52/25,282.34 = 5,168.71/x
3. Step 3: Cross multiply
   16,855.52x = 25,282.34 × 5,168.71
4. Step 4: Simplify right side
   16,855.52x = 130,676,931.33
5. Step 5: Solve for x
   x = 130,676,931.33/16,855.52
6. Step 6: Final answer
   x = 7,752.77