Finding the Fourth Proportional to 2,104.05, 2,903.55 and 1,219.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,104.05 : 2,903.55 = 1,219.83 : x
2. Step 2: Convert to fraction form
   2,104.05/2,903.55 = 1,219.83/x
3. Step 3: Cross multiply
   2,104.05x = 2,903.55 × 1,219.83
4. Step 4: Simplify right side
   2,104.05x = 3,541,837.40
5. Step 5: Solve for x
   x = 3,541,837.40/2,104.05
6. Step 6: Final answer
   x = 1,683.34