Finding the Fourth Proportional to 6,866.10, 9,475.25 and 3,722.27

Step by Step Solution

1. Step 1: Write the proportion equation
   6,866.10 : 9,475.25 = 3,722.27 : x
2. Step 2: Convert to fraction form
   6,866.10/9,475.25 = 3,722.27/x
3. Step 3: Cross multiply
   6,866.10x = 9,475.25 × 3,722.27
4. Step 4: Simplify right side
   6,866.10x = 35,269,372.83
5. Step 5: Solve for x
   x = 35,269,372.83/6,866.10
6. Step 6: Final answer
   x = 5,136.74