Finding the Fourth Proportional to 17,143.11, 25,693.47 and 10,116

Step by Step Solution

1. Step 1: Write the proportion equation
   17,143.11 : 25,693.47 = 10,116 : x
2. Step 2: Convert to fraction form
   17,143.11/25,693.47 = 10,116/x
3. Step 3: Cross multiply
   17,143.11x = 25,693.47 × 10,116
4. Step 4: Simplify right side
   17,143.11x = 259,915,142.52
5. Step 5: Solve for x
   x = 259,915,142.52/17,143.11
6. Step 6: Final answer
   x = 15,161.49