Finding the Fourth Proportional to 3,947.46, 5,912.28 and 2,301.54

Step by Step Solution

1. Step 1: Write the proportion equation
   3,947.46 : 5,912.28 = 2,301.54 : x
2. Step 2: Convert to fraction form
   3,947.46/5,912.28 = 2,301.54/x
3. Step 3: Cross multiply
   3,947.46x = 5,912.28 × 2,301.54
4. Step 4: Simplify right side
   3,947.46x = 13,607,348.91
5. Step 5: Solve for x
   x = 13,607,348.91/3,947.46
6. Step 6: Final answer
   x = 3,447.12