Finding the Fourth Proportional to 2,200.57, 3,036.81 and 1,205.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,200.57 : 3,036.81 = 1,205.94 : x
2. Step 2: Convert to fraction form
   2,200.57/3,036.81 = 1,205.94/x
3. Step 3: Cross multiply
   2,200.57x = 3,036.81 × 1,205.94
4. Step 4: Simplify right side
   2,200.57x = 3,662,210.65
5. Step 5: Solve for x
   x = 3,662,210.65/2,200.57
6. Step 6: Final answer
   x = 1,664.21