Finding the Fourth Proportional to 6,868.05, 9,477.82 and 3,724.17

Step by Step Solution

1. Step 1: Write the proportion equation
   6,868.05 : 9,477.82 = 3,724.17 : x
2. Step 2: Convert to fraction form
   6,868.05/9,477.82 = 3,724.17/x
3. Step 3: Cross multiply
   6,868.05x = 9,477.82 × 3,724.17
4. Step 4: Simplify right side
   6,868.05x = 35,297,012.91
5. Step 5: Solve for x
   x = 35,297,012.91/6,868.05
6. Step 6: Final answer
   x = 5,139.31