Finding the Fourth Proportional to 2,081.39, 3,104.03 and 1,775.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,081.39 : 3,104.03 = 1,775.21 : x
2. Step 2: Convert to fraction form
   2,081.39/3,104.03 = 1,775.21/x
3. Step 3: Cross multiply
   2,081.39x = 3,104.03 × 1,775.21
4. Step 4: Simplify right side
   2,081.39x = 5,510,280.70
5. Step 5: Solve for x
   x = 5,510,280.70/2,081.39
6. Step 6: Final answer
   x = 2,647.41