Finding the Fourth Proportional to 6,682.82, 9,221.58 and 3,698.18

Step by Step Solution

1. Step 1: Write the proportion equation
   6,682.82 : 9,221.58 = 3,698.18 : x
2. Step 2: Convert to fraction form
   6,682.82/9,221.58 = 3,698.18/x
3. Step 3: Cross multiply
   6,682.82x = 9,221.58 × 3,698.18
4. Step 4: Simplify right side
   6,682.82x = 34,103,062.72
5. Step 5: Solve for x
   x = 34,103,062.72/6,682.82
6. Step 6: Final answer
   x = 5,103.09