Finding the Fourth Proportional to 6,940.56, 9,577.37 and 3,956.33

Step by Step Solution

1. Step 1: Write the proportion equation
   6,940.56 : 9,577.37 = 3,956.33 : x
2. Step 2: Convert to fraction form
   6,940.56/9,577.37 = 3,956.33/x
3. Step 3: Cross multiply
   6,940.56x = 9,577.37 × 3,956.33
4. Step 4: Simplify right side
   6,940.56x = 37,891,168.58
5. Step 5: Solve for x
   x = 37,891,168.58/6,940.56
6. Step 6: Final answer
   x = 5,459.38