Finding the Fourth Proportional to 2,054.67, 3,081.61 and 738.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,054.67 : 3,081.61 = 738.38 : x
2. Step 2: Convert to fraction form
   2,054.67/3,081.61 = 738.38/x
3. Step 3: Cross multiply
   2,054.67x = 3,081.61 × 738.38
4. Step 4: Simplify right side
   2,054.67x = 2,275,407.82
5. Step 5: Solve for x
   x = 2,275,407.82/2,054.67
6. Step 6: Final answer
   x = 1,107.43