Finding the Fourth Proportional to 17,127.12, 25,690.72 and 5,441.36

Step by Step Solution

1. Step 1: Write the proportion equation
   17,127.12 : 25,690.72 = 5,441.36 : x
2. Step 2: Convert to fraction form
   17,127.12/25,690.72 = 5,441.36/x
3. Step 3: Cross multiply
   17,127.12x = 25,690.72 × 5,441.36
4. Step 4: Simplify right side
   17,127.12x = 139,792,456.18
5. Step 5: Solve for x
   x = 139,792,456.18/17,127.12
6. Step 6: Final answer
   x = 8,162.05