Finding the Fourth Proportional to 2,200.10, 3,036.20 and 1,205.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,200.10 : 3,036.20 = 1,205.46 : x
2. Step 2: Convert to fraction form
   2,200.10/3,036.20 = 1,205.46/x
3. Step 3: Cross multiply
   2,200.10x = 3,036.20 × 1,205.46
4. Step 4: Simplify right side
   2,200.10x = 3,660,011.62
5. Step 5: Solve for x
   x = 3,660,011.62/2,200.10
6. Step 6: Final answer
   x = 1,663.57