Finding the Fourth Proportional to 2,200.22, 3,036.31 and 1,205.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,200.22 : 3,036.31 = 1,205.49 : x
2. Step 2: Convert to fraction form
   2,200.22/3,036.31 = 1,205.49/x
3. Step 3: Cross multiply
   2,200.22x = 3,036.31 × 1,205.49
4. Step 4: Simplify right side
   2,200.22x = 3,660,238.33
5. Step 5: Solve for x
   x = 3,660,238.33/2,200.22
6. Step 6: Final answer
   x = 1,663.58