Finding the Fourth Proportional to 2,203.91, 3,041.46 and 1,209.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,203.91 : 3,041.46 = 1,209.25 : x
2. Step 2: Convert to fraction form
   2,203.91/3,041.46 = 1,209.25/x
3. Step 3: Cross multiply
   2,203.91x = 3,041.46 × 1,209.25
4. Step 4: Simplify right side
   2,203.91x = 3,677,879.46
5. Step 5: Solve for x
   x = 3,677,879.46/2,203.91
6. Step 6: Final answer
   x = 1,668.80