Finding the Fourth Proportional to 17,104.38, 25,659.81 and 5,419.32

Step by Step Solution

1. Step 1: Write the proportion equation
   17,104.38 : 25,659.81 = 5,419.32 : x
2. Step 2: Convert to fraction form
   17,104.38/25,659.81 = 5,419.32/x
3. Step 3: Cross multiply
   17,104.38x = 25,659.81 × 5,419.32
4. Step 4: Simplify right side
   17,104.38x = 139,058,721.53
5. Step 5: Solve for x
   x = 139,058,721.53/17,104.38
6. Step 6: Final answer
   x = 8,130.01