Finding the Fourth Proportional to 2,204.57, 3,042.23 and 1,209.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,204.57 : 3,042.23 = 1,209.83 : x
2. Step 2: Convert to fraction form
   2,204.57/3,042.23 = 1,209.83/x
3. Step 3: Cross multiply
   2,204.57x = 3,042.23 × 1,209.83
4. Step 4: Simplify right side
   2,204.57x = 3,680,559.86
5. Step 5: Solve for x
   x = 3,680,559.86/2,204.57
6. Step 6: Final answer
   x = 1,669.51