Finding the Fourth Proportional to 2,771.94, 4,154.56 and 1,211.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,771.94 : 4,154.56 = 1,211.27 : x
2. Step 2: Convert to fraction form
   2,771.94/4,154.56 = 1,211.27/x
3. Step 3: Cross multiply
   2,771.94x = 4,154.56 × 1,211.27
4. Step 4: Simplify right side
   2,771.94x = 5,032,293.89
5. Step 5: Solve for x
   x = 5,032,293.89/2,771.94
6. Step 6: Final answer
   x = 1,815.44