Finding the Fourth Proportional to 11,834.36, 17,734.61 and 8,689.69

Step by Step Solution

1. Step 1: Write the proportion equation
   11,834.36 : 17,734.61 = 8,689.69 : x
2. Step 2: Convert to fraction form
   11,834.36/17,734.61 = 8,689.69/x
3. Step 3: Cross multiply
   11,834.36x = 17,734.61 × 8,689.69
4. Step 4: Simplify right side
   11,834.36x = 154,108,240.56
5. Step 5: Solve for x
   x = 154,108,240.56/11,834.36
6. Step 6: Final answer
   x = 13,022.11