Finding the Fourth Proportional to 2,055.45, 3,081.81 and 738.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,055.45 : 3,081.81 = 738.54 : x
2. Step 2: Convert to fraction form
   2,055.45/3,081.81 = 738.54/x
3. Step 3: Cross multiply
   2,055.45x = 3,081.81 × 738.54
4. Step 4: Simplify right side
   2,055.45x = 2,276,042.73
5. Step 5: Solve for x
   x = 2,276,042.73/2,055.45
6. Step 6: Final answer
   x = 1,107.32