Finding the Fourth Proportional to 17,171.18, 25,756.28 and 5,485.10

Step by Step Solution

1. Step 1: Write the proportion equation
   17,171.18 : 25,756.28 = 5,485.10 : x
2. Step 2: Convert to fraction form
   17,171.18/25,756.28 = 5,485.10/x
3. Step 3: Cross multiply
   17,171.18x = 25,756.28 × 5,485.10
4. Step 4: Simplify right side
   17,171.18x = 141,275,771.43
5. Step 5: Solve for x
   x = 141,275,771.43/17,171.18
6. Step 6: Final answer
   x = 8,227.49