Finding the Fourth Proportional to 2,018.18, 2,786.91 and 1,273.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,018.18 : 2,786.91 = 1,273.46 : x
2. Step 2: Convert to fraction form
   2,018.18/2,786.91 = 1,273.46/x
3. Step 3: Cross multiply
   2,018.18x = 2,786.91 × 1,273.46
4. Step 4: Simplify right side
   2,018.18x = 3,549,018.41
5. Step 5: Solve for x
   x = 3,549,018.41/2,018.18
6. Step 6: Final answer
   x = 1,758.52