Finding the Fourth Proportional to 2,005.08, 2,766.72 and 1,120.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,005.08 : 2,766.72 = 1,120.72 : x
2. Step 2: Convert to fraction form
   2,005.08/2,766.72 = 1,120.72/x
3. Step 3: Cross multiply
   2,005.08x = 2,766.72 × 1,120.72
4. Step 4: Simplify right side
   2,005.08x = 3,100,718.44
5. Step 5: Solve for x
   x = 3,100,718.44/2,005.08
6. Step 6: Final answer
   x = 1,546.43