Finding the Fourth Proportional to 2,019.68, 2,792.17 and 2,001.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,019.68 : 2,792.17 = 2,001.23 : x
2. Step 2: Convert to fraction form
   2,019.68/2,792.17 = 2,001.23/x
3. Step 3: Cross multiply
   2,019.68x = 2,792.17 × 2,001.23
4. Step 4: Simplify right side
   2,019.68x = 5,587,774.37
5. Step 5: Solve for x
   x = 5,587,774.37/2,019.68
6. Step 6: Final answer
   x = 2,766.66