Finding the Fourth Proportional to 2,018.25, 3,026.43 and 719.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,018.25 : 3,026.43 = 719.42 : x
2. Step 2: Convert to fraction form
   2,018.25/3,026.43 = 719.42/x
3. Step 3: Cross multiply
   2,018.25x = 3,026.43 × 719.42
4. Step 4: Simplify right side
   2,018.25x = 2,177,259.14
5. Step 5: Solve for x
   x = 2,177,259.14/2,018.25
6. Step 6: Final answer
   x = 1,078.79