Finding the Fourth Proportional to 3,921.46, 5,881.82 and 1,324.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,921.46 : 5,881.82 = 1,324.42 : x
2. Step 2: Convert to fraction form
   3,921.46/5,881.82 = 1,324.42/x
3. Step 3: Cross multiply
   3,921.46x = 5,881.82 × 1,324.42
4. Step 4: Simplify right side
   3,921.46x = 7,790,000.04
5. Step 5: Solve for x
   x = 7,790,000.04/3,921.46
6. Step 6: Final answer
   x = 1,986.51