Finding the Fourth Proportional to 17,107.82, 25,665.83 and 5,421.04

Step by Step Solution

1. Step 1: Write the proportion equation
   17,107.82 : 25,665.83 = 5,421.04 : x
2. Step 2: Convert to fraction form
   17,107.82/25,665.83 = 5,421.04/x
3. Step 3: Cross multiply
   17,107.82x = 25,665.83 × 5,421.04
4. Step 4: Simplify right side
   17,107.82x = 139,135,491.06
5. Step 5: Solve for x
   x = 139,135,491.06/17,107.82
6. Step 6: Final answer
   x = 8,132.86