Finding the Fourth Proportional to 2,104.41, 2,903.83 and 1,220.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,104.41 : 2,903.83 = 1,220.09 : x
2. Step 2: Convert to fraction form
   2,104.41/2,903.83 = 1,220.09/x
3. Step 3: Cross multiply
   2,104.41x = 2,903.83 × 1,220.09
4. Step 4: Simplify right side
   2,104.41x = 3,542,933.94
5. Step 5: Solve for x
   x = 3,542,933.94/2,104.41
6. Step 6: Final answer
   x = 1,683.58