Finding the Fourth Proportional to 3,959.16, 5,936.73 and 1,325.73

Step by Step Solution

1. Step 1: Write the proportion equation
   3,959.16 : 5,936.73 = 1,325.73 : x
2. Step 2: Convert to fraction form
   3,959.16/5,936.73 = 1,325.73/x
3. Step 3: Cross multiply
   3,959.16x = 5,936.73 × 1,325.73
4. Step 4: Simplify right side
   3,959.16x = 7,870,501.06
5. Step 5: Solve for x
   x = 7,870,501.06/3,959.16
6. Step 6: Final answer
   x = 1,987.92