Finding the Fourth Proportional to 2,048.82, 2,827.71 and 1,209.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,048.82 : 2,827.71 = 1,209.73 : x
2. Step 2: Convert to fraction form
   2,048.82/2,827.71 = 1,209.73/x
3. Step 3: Cross multiply
   2,048.82x = 2,827.71 × 1,209.73
4. Step 4: Simplify right side
   2,048.82x = 3,420,765.62
5. Step 5: Solve for x
   x = 3,420,765.62/2,048.82
6. Step 6: Final answer
   x = 1,669.63