Finding the Fourth Proportional to 2,018.89, 3,022.09 and 1,723.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,018.89 : 3,022.09 = 1,723.69 : x
2. Step 2: Convert to fraction form
   2,018.89/3,022.09 = 1,723.69/x
3. Step 3: Cross multiply
   2,018.89x = 3,022.09 × 1,723.69
4. Step 4: Simplify right side
   2,018.89x = 5,209,146.31
5. Step 5: Solve for x
   x = 5,209,146.31/2,018.89
6. Step 6: Final answer
   x = 2,580.20