Finding the Fourth Proportional to 2,771.46, 3,845.78 and 2,664.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,771.46 : 3,845.78 = 2,664.54 : x
2. Step 2: Convert to fraction form
   2,771.46/3,845.78 = 2,664.54/x
3. Step 3: Cross multiply
   2,771.46x = 3,845.78 × 2,664.54
4. Step 4: Simplify right side
   2,771.46x = 10,247,234.64
5. Step 5: Solve for x
   x = 10,247,234.64/2,771.46
6. Step 6: Final answer
   x = 3,697.41