Finding the Fourth Proportional to 3,964.56, 5,945.87 and 1,332.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,964.56 : 5,945.87 = 1,332.15 : x
2. Step 2: Convert to fraction form
   3,964.56/5,945.87 = 1,332.15/x
3. Step 3: Cross multiply
   3,964.56x = 5,945.87 × 1,332.15
4. Step 4: Simplify right side
   3,964.56x = 7,920,784.06
5. Step 5: Solve for x
   x = 7,920,784.06/3,964.56
6. Step 6: Final answer
   x = 1,997.90