Finding the Fourth Proportional to 2,003.92, 2,769.72 and 1,766.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,003.92 : 2,769.72 = 1,766.05 : x
2. Step 2: Convert to fraction form
   2,003.92/2,769.72 = 1,766.05/x
3. Step 3: Cross multiply
   2,003.92x = 2,769.72 × 1,766.05
4. Step 4: Simplify right side
   2,003.92x = 4,891,464.01
5. Step 5: Solve for x
   x = 4,891,464.01/2,003.92
6. Step 6: Final answer
   x = 2,440.95