Finding the Fourth Proportional to 2,018.34, 3,027.78 and 719.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,018.34 : 3,027.78 = 719.37 : x
2. Step 2: Convert to fraction form
   2,018.34/3,027.78 = 719.37/x
3. Step 3: Cross multiply
   2,018.34x = 3,027.78 × 719.37
4. Step 4: Simplify right side
   2,018.34x = 2,178,094.10
5. Step 5: Solve for x
   x = 2,178,094.10/2,018.34
6. Step 6: Final answer
   x = 1,079.15