Finding the Fourth Proportional to 3,951.36, 5,454.72 and 2,554.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,951.36 : 5,454.72 = 2,554.56 : x
2. Step 2: Convert to fraction form
   3,951.36/5,454.72 = 2,554.56/x
3. Step 3: Cross multiply
   3,951.36x = 5,454.72 × 2,554.56
4. Step 4: Simplify right side
   3,951.36x = 13,934,409.52
5. Step 5: Solve for x
   x = 13,934,409.52/3,951.36
6. Step 6: Final answer
   x = 3,526.48