Finding the Fourth Proportional to 2,019.69, 2,786.02 and 1,273.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,019.69 : 2,786.02 = 1,273.39 : x
2. Step 2: Convert to fraction form
   2,019.69/2,786.02 = 1,273.39/x
3. Step 3: Cross multiply
   2,019.69x = 2,786.02 × 1,273.39
4. Step 4: Simplify right side
   2,019.69x = 3,547,679.86
5. Step 5: Solve for x
   x = 3,547,679.86/2,019.69
6. Step 6: Final answer
   x = 1,756.55