Finding the Fourth Proportional to 6,821.38, 10,218.69 and 3,536.62

Step by Step Solution

1. Step 1: Write the proportion equation
   6,821.38 : 10,218.69 = 3,536.62 : x
2. Step 2: Convert to fraction form
   6,821.38/10,218.69 = 3,536.62/x
3. Step 3: Cross multiply
   6,821.38x = 10,218.69 × 3,536.62
4. Step 4: Simplify right side
   6,821.38x = 36,139,623.43
5. Step 5: Solve for x
   x = 36,139,623.43/6,821.38
6. Step 6: Final answer
   x = 5,297.99