Finding the Fourth Proportional to 2,204.47, 3,042.18 and 1,209.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,204.47 : 3,042.18 = 1,209.73 : x
2. Step 2: Convert to fraction form
   2,204.47/3,042.18 = 1,209.73/x
3. Step 3: Cross multiply
   2,204.47x = 3,042.18 × 1,209.73
4. Step 4: Simplify right side
   2,204.47x = 3,680,216.41
5. Step 5: Solve for x
   x = 3,680,216.41/2,204.47
6. Step 6: Final answer
   x = 1,669.43