Finding the Fourth Proportional to 11,426.11, 17,089.96 and 10,168.59

Step by Step Solution

1. Step 1: Write the proportion equation
   11,426.11 : 17,089.96 = 10,168.59 : x
2. Step 2: Convert to fraction form
   11,426.11/17,089.96 = 10,168.59/x
3. Step 3: Cross multiply
   11,426.11x = 17,089.96 × 10,168.59
4. Step 4: Simplify right side
   11,426.11x = 173,780,786.56
5. Step 5: Solve for x
   x = 173,780,786.56/11,426.11
6. Step 6: Final answer
   x = 15,209.09