Finding the Fourth Proportional to 6,868.08, 9,477.90 and 3,724.25

Step by Step Solution

1. Step 1: Write the proportion equation
   6,868.08 : 9,477.90 = 3,724.25 : x
2. Step 2: Convert to fraction form
   6,868.08/9,477.90 = 3,724.25/x
3. Step 3: Cross multiply
   6,868.08x = 9,477.90 × 3,724.25
4. Step 4: Simplify right side
   6,868.08x = 35,298,021.69
5. Step 5: Solve for x
   x = 35,298,021.69/6,868.08
6. Step 6: Final answer
   x = 5,139.43