Finding the Fourth Proportional to 11,626.72, 17,429.82 and 4,229.89

Step by Step Solution

1. Step 1: Write the proportion equation
   11,626.72 : 17,429.82 = 4,229.89 : x
2. Step 2: Convert to fraction form
   11,626.72/17,429.82 = 4,229.89/x
3. Step 3: Cross multiply
   11,626.72x = 17,429.82 × 4,229.89
4. Step 4: Simplify right side
   11,626.72x = 73,726,161.88
5. Step 5: Solve for x
   x = 73,726,161.88/11,626.72
6. Step 6: Final answer
   x = 6,341.10