Finding the Fourth Proportional to 3,951.59, 5,450.91 and 2,554.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,951.59 : 5,450.91 = 2,554.34 : x
2. Step 2: Convert to fraction form
   3,951.59/5,450.91 = 2,554.34/x
3. Step 3: Cross multiply
   3,951.59x = 5,450.91 × 2,554.34
4. Step 4: Simplify right side
   3,951.59x = 13,923,477.45
5. Step 5: Solve for x
   x = 13,923,477.45/3,951.59
6. Step 6: Final answer
   x = 3,523.51