Finding the Fourth Proportional to 3,959.89, 5,936.19 and 1,767.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,959.89 : 5,936.19 = 1,767.42 : x
2. Step 2: Convert to fraction form
   3,959.89/5,936.19 = 1,767.42/x
3. Step 3: Cross multiply
   3,959.89x = 5,936.19 × 1,767.42
4. Step 4: Simplify right side
   3,959.89x = 10,491,734.30
5. Step 5: Solve for x
   x = 10,491,734.30/3,959.89
6. Step 6: Final answer
   x = 2,649.50