Finding the Fourth Proportional to 9,159.39, 13,744.71 and 4,229.39

Step by Step Solution

1. Step 1: Write the proportion equation
   9,159.39 : 13,744.71 = 4,229.39 : x
2. Step 2: Convert to fraction form
   9,159.39/13,744.71 = 4,229.39/x
3. Step 3: Cross multiply
   9,159.39x = 13,744.71 × 4,229.39
4. Step 4: Simplify right side
   9,159.39x = 58,131,773.39
5. Step 5: Solve for x
   x = 58,131,773.39/9,159.39
6. Step 6: Final answer
   x = 6,346.69