Finding the Fourth Proportional to 3,964.30, 5,947.12 and 1,332.05

Step by Step Solution

1. Step 1: Write the proportion equation
   3,964.30 : 5,947.12 = 1,332.05 : x
2. Step 2: Convert to fraction form
   3,964.30/5,947.12 = 1,332.05/x
3. Step 3: Cross multiply
   3,964.30x = 5,947.12 × 1,332.05
4. Step 4: Simplify right side
   3,964.30x = 7,921,879.39
5. Step 5: Solve for x
   x = 7,921,879.39/3,964.30
6. Step 6: Final answer
   x = 1,998.31