Finding the Fourth Proportional to 2,205, 3,305.27 and 1,383.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,205 : 3,305.27 = 1,383.86 : x
2. Step 2: Convert to fraction form
   2,205/3,305.27 = 1,383.86/x
3. Step 3: Cross multiply
   2,205x = 3,305.27 × 1,383.86
4. Step 4: Simplify right side
   2,205x = 4,574,007.50
5. Step 5: Solve for x
   x = 4,574,007.50/2,205
6. Step 6: Final answer
   x = 2,074.38