Finding the Fourth Proportional to 17,087.70, 25,629.39 and 5,402.10

Step by Step Solution

1. Step 1: Write the proportion equation
   17,087.70 : 25,629.39 = 5,402.10 : x
2. Step 2: Convert to fraction form
   17,087.70/25,629.39 = 5,402.10/x
3. Step 3: Cross multiply
   17,087.70x = 25,629.39 × 5,402.10
4. Step 4: Simplify right side
   17,087.70x = 138,452,527.72
5. Step 5: Solve for x
   x = 138,452,527.72/17,087.70
6. Step 6: Final answer
   x = 8,102.47