Finding the Fourth Proportional to 2,200.34, 3,036.46 and 1,205.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,200.34 : 3,036.46 = 1,205.61 : x
2. Step 2: Convert to fraction form
   2,200.34/3,036.46 = 1,205.61/x
3. Step 3: Cross multiply
   2,200.34x = 3,036.46 × 1,205.61
4. Step 4: Simplify right side
   2,200.34x = 3,660,780.51
5. Step 5: Solve for x
   x = 3,660,780.51/2,200.34
6. Step 6: Final answer
   x = 1,663.74