Finding the Fourth Proportional to 2,205.95, 3,044.24 and 1,211.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,205.95 : 3,044.24 = 1,211.15 : x
2. Step 2: Convert to fraction form
   2,205.95/3,044.24 = 1,211.15/x
3. Step 3: Cross multiply
   2,205.95x = 3,044.24 × 1,211.15
4. Step 4: Simplify right side
   2,205.95x = 3,687,037.37
5. Step 5: Solve for x
   x = 3,687,037.37/2,205.95
6. Step 6: Final answer
   x = 1,671.41