Finding the Fourth Proportional to 3,959.68, 5,939.56 and 3,839.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,959.68 : 5,939.56 = 3,839.34 : x
2. Step 2: Convert to fraction form
   3,959.68/5,939.56 = 3,839.34/x
3. Step 3: Cross multiply
   3,959.68x = 5,939.56 × 3,839.34
4. Step 4: Simplify right side
   3,959.68x = 22,803,990.29
5. Step 5: Solve for x
   x = 22,803,990.29/3,959.68
6. Step 6: Final answer
   x = 5,759.05