Finding the Fourth Proportional to 6,943.56, 9,581.94 and 3,959.34

Step by Step Solution

1. Step 1: Write the proportion equation
   6,943.56 : 9,581.94 = 3,959.34 : x
2. Step 2: Convert to fraction form
   6,943.56/9,581.94 = 3,959.34/x
3. Step 3: Cross multiply
   6,943.56x = 9,581.94 × 3,959.34
4. Step 4: Simplify right side
   6,943.56x = 37,938,158.32
5. Step 5: Solve for x
   x = 37,938,158.32/6,943.56
6. Step 6: Final answer
   x = 5,463.79