Finding the Fourth Proportional to 2,046.72, 3,074.22 and 1,226.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,046.72 : 3,074.22 = 1,226.55 : x
2. Step 2: Convert to fraction form
   2,046.72/3,074.22 = 1,226.55/x
3. Step 3: Cross multiply
   2,046.72x = 3,074.22 × 1,226.55
4. Step 4: Simplify right side
   2,046.72x = 3,770,684.54
5. Step 5: Solve for x
   x = 3,770,684.54/2,046.72
6. Step 6: Final answer
   x = 1,842.31