Finding the Fourth Proportional to 2,003.94, 2,766.21 and 1,340.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,003.94 : 2,766.21 = 1,340.55 : x
2. Step 2: Convert to fraction form
   2,003.94/2,766.21 = 1,340.55/x
3. Step 3: Cross multiply
   2,003.94x = 2,766.21 × 1,340.55
4. Step 4: Simplify right side
   2,003.94x = 3,708,237.79
5. Step 5: Solve for x
   x = 3,708,237.79/2,003.94
6. Step 6: Final answer
   x = 1,850.47