Finding the Fourth Proportional to 2,019.29, 2,791.59 and 2,000.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,019.29 : 2,791.59 = 2,000.81 : x
2. Step 2: Convert to fraction form
   2,019.29/2,791.59 = 2,000.81/x
3. Step 3: Cross multiply
   2,019.29x = 2,791.59 × 2,000.81
4. Step 4: Simplify right side
   2,019.29x = 5,585,441.19
5. Step 5: Solve for x
   x = 5,585,441.19/2,019.29
6. Step 6: Final answer
   x = 2,766.04