Finding the Fourth Proportional to 2,200.30, 3,036.48 and 1,205.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,200.30 : 3,036.48 = 1,205.56 : x
2. Step 2: Convert to fraction form
   2,200.30/3,036.48 = 1,205.56/x
3. Step 3: Cross multiply
   2,200.30x = 3,036.48 × 1,205.56
4. Step 4: Simplify right side
   2,200.30x = 3,660,658.83
5. Step 5: Solve for x
   x = 3,660,658.83/2,200.30
6. Step 6: Final answer
   x = 1,663.71