Finding the Fourth Proportional to 6,820.69, 9,411.37 and 3,836.29

Step by Step Solution

1. Step 1: Write the proportion equation
   6,820.69 : 9,411.37 = 3,836.29 : x
2. Step 2: Convert to fraction form
   6,820.69/9,411.37 = 3,836.29/x
3. Step 3: Cross multiply
   6,820.69x = 9,411.37 × 3,836.29
4. Step 4: Simplify right side
   6,820.69x = 36,104,744.62
5. Step 5: Solve for x
   x = 36,104,744.62/6,820.69
6. Step 6: Final answer
   x = 5,293.42