Finding the Fourth Proportional to 2,200.59, 3,036.73 and 1,205.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,200.59 : 3,036.73 = 1,205.87 : x
2. Step 2: Convert to fraction form
   2,200.59/3,036.73 = 1,205.87/x
3. Step 3: Cross multiply
   2,200.59x = 3,036.73 × 1,205.87
4. Step 4: Simplify right side
   2,200.59x = 3,661,901.61
5. Step 5: Solve for x
   x = 3,661,901.61/2,200.59
6. Step 6: Final answer
   x = 1,664.05