Finding the Fourth Proportional to 2,754.85, 4,131.41 and 905.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,754.85 : 4,131.41 = 905.54 : x
2. Step 2: Convert to fraction form
   2,754.85/4,131.41 = 905.54/x
3. Step 3: Cross multiply
   2,754.85x = 4,131.41 × 905.54
4. Step 4: Simplify right side
   2,754.85x = 3,741,131.83
5. Step 5: Solve for x
   x = 3,741,131.83/2,754.85
6. Step 6: Final answer
   x = 1,358.02