Finding the Fourth Proportional to 2,200.50, 3,036.50 and 1,205.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,200.50 : 3,036.50 = 1,205.73 : x
2. Step 2: Convert to fraction form
   2,200.50/3,036.50 = 1,205.73/x
3. Step 3: Cross multiply
   2,200.50x = 3,036.50 × 1,205.73
4. Step 4: Simplify right side
   2,200.50x = 3,661,193.12
5. Step 5: Solve for x
   x = 3,661,193.12/2,200.50
6. Step 6: Final answer
   x = 1,663.80