Finding the Fourth Proportional to 2,004.72, 2,766.65 and 1,120.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,004.72 : 2,766.65 = 1,120.56 : x
2. Step 2: Convert to fraction form
   2,004.72/2,766.65 = 1,120.56/x
3. Step 3: Cross multiply
   2,004.72x = 2,766.65 × 1,120.56
4. Step 4: Simplify right side
   2,004.72x = 3,100,191.72
5. Step 5: Solve for x
   x = 3,100,191.72/2,004.72
6. Step 6: Final answer
   x = 1,546.45