Finding the Fourth Proportional to 17,171.98, 25,761.66 and 5,325.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,171.98 : 25,761.66 = 5,325.50 : x
2. Step 2: Convert to fraction form
   17,171.98/25,761.66 = 5,325.50/x
3. Step 3: Cross multiply
   17,171.98x = 25,761.66 × 5,325.50
4. Step 4: Simplify right side
   17,171.98x = 137,193,720.33
5. Step 5: Solve for x
   x = 137,193,720.33/17,171.98
6. Step 6: Final answer
   x = 7,989.39