Finding the Fourth Proportional to 16,871.75, 25,308.03 and 5,185.88

Step by Step Solution

1. Step 1: Write the proportion equation
   16,871.75 : 25,308.03 = 5,185.88 : x
2. Step 2: Convert to fraction form
   16,871.75/25,308.03 = 5,185.88/x
3. Step 3: Cross multiply
   16,871.75x = 25,308.03 × 5,185.88
4. Step 4: Simplify right side
   16,871.75x = 131,244,406.62
5. Step 5: Solve for x
   x = 131,244,406.62/16,871.75
6. Step 6: Final answer
   x = 7,778.94