Finding the Fourth Proportional to 3,947.96, 5,454.16 and 2,951.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,947.96 : 5,454.16 = 2,951.52 : x
2. Step 2: Convert to fraction form
   3,947.96/5,454.16 = 2,951.52/x
3. Step 3: Cross multiply
   3,947.96x = 5,454.16 × 2,951.52
4. Step 4: Simplify right side
   3,947.96x = 16,098,062.32
5. Step 5: Solve for x
   x = 16,098,062.32/3,947.96
6. Step 6: Final answer
   x = 4,077.56