Finding the Fourth Proportional to 3,966.27, 5,947.56 and 1,499.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,966.27 : 5,947.56 = 1,499.31 : x
2. Step 2: Convert to fraction form
   3,966.27/5,947.56 = 1,499.31/x
3. Step 3: Cross multiply
   3,966.27x = 5,947.56 × 1,499.31
4. Step 4: Simplify right side
   3,966.27x = 8,917,236.18
5. Step 5: Solve for x
   x = 8,917,236.18/3,966.27
6. Step 6: Final answer
   x = 2,248.27