Finding the Fourth Proportional to 3,959.10, 5,938.71 and 1,327.29

Step by Step Solution

1. Step 1: Write the proportion equation
   3,959.10 : 5,938.71 = 1,327.29 : x
2. Step 2: Convert to fraction form
   3,959.10/5,938.71 = 1,327.29/x
3. Step 3: Cross multiply
   3,959.10x = 5,938.71 × 1,327.29
4. Step 4: Simplify right side
   3,959.10x = 7,882,390.40
5. Step 5: Solve for x
   x = 7,882,390.40/3,959.10
6. Step 6: Final answer
   x = 1,990.96