Finding the Fourth Proportional to 2,300.57, 3,449.94 and 1,205.85

Step by Step Solution

1. Step 1: Write the proportion equation
   2,300.57 : 3,449.94 = 1,205.85 : x
2. Step 2: Convert to fraction form
   2,300.57/3,449.94 = 1,205.85/x
3. Step 3: Cross multiply
   2,300.57x = 3,449.94 × 1,205.85
4. Step 4: Simplify right side
   2,300.57x = 4,160,110.15
5. Step 5: Solve for x
   x = 4,160,110.15/2,300.57
6. Step 6: Final answer
   x = 1,808.30