Finding the Fourth Proportional to 17,086.92, 25,631.16 and 5,239.83

Step by Step Solution

1. Step 1: Write the proportion equation
   17,086.92 : 25,631.16 = 5,239.83 : x
2. Step 2: Convert to fraction form
   17,086.92/25,631.16 = 5,239.83/x
3. Step 3: Cross multiply
   17,086.92x = 25,631.16 × 5,239.83
4. Step 4: Simplify right side
   17,086.92x = 134,302,921.10
5. Step 5: Solve for x
   x = 134,302,921.10/17,086.92
6. Step 6: Final answer
   x = 7,859.98