Finding the Fourth Proportional to 3,947.31, 5,919.03 and 2,304.27

Step by Step Solution

1. Step 1: Write the proportion equation
   3,947.31 : 5,919.03 = 2,304.27 : x
2. Step 2: Convert to fraction form
   3,947.31/5,919.03 = 2,304.27/x
3. Step 3: Cross multiply
   3,947.31x = 5,919.03 × 2,304.27
4. Step 4: Simplify right side
   3,947.31x = 13,639,043.26
5. Step 5: Solve for x
   x = 13,639,043.26/3,947.31
6. Step 6: Final answer
   x = 3,455.28