Finding the Fourth Proportional to 17,171.20, 25,759.70 and 5,322.25

Step by Step Solution

1. Step 1: Write the proportion equation
   17,171.20 : 25,759.70 = 5,322.25 : x
2. Step 2: Convert to fraction form
   17,171.20/25,759.70 = 5,322.25/x
3. Step 3: Cross multiply
   17,171.20x = 25,759.70 × 5,322.25
4. Step 4: Simplify right side
   17,171.20x = 137,099,563.33
5. Step 5: Solve for x
   x = 137,099,563.33/17,171.20
6. Step 6: Final answer
   x = 7,984.27