Finding the Fourth Proportional to 17,131.09, 25,691.16 and 5,441.57

Step by Step Solution

1. Step 1: Write the proportion equation
   17,131.09 : 25,691.16 = 5,441.57 : x
2. Step 2: Convert to fraction form
   17,131.09/25,691.16 = 5,441.57/x
3. Step 3: Cross multiply
   17,131.09x = 25,691.16 × 5,441.57
4. Step 4: Simplify right side
   17,131.09x = 139,800,245.52
5. Step 5: Solve for x
   x = 139,800,245.52/17,131.09
6. Step 6: Final answer
   x = 8,160.62