Finding the Fourth Proportional to 17,137.40, 25,708.73 and 5,449.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,137.40 : 25,708.73 = 5,449.50 : x
2. Step 2: Convert to fraction form
   17,137.40/25,708.73 = 5,449.50/x
3. Step 3: Cross multiply
   17,137.40x = 25,708.73 × 5,449.50
4. Step 4: Simplify right side
   17,137.40x = 140,099,696.89
5. Step 5: Solve for x
   x = 140,099,696.89/17,137.40
6. Step 6: Final answer
   x = 8,175.09