Finding the Fourth Proportional to 2,018.22, 2,784.78 and 1,273.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,018.22 : 2,784.78 = 1,273.14 : x
2. Step 2: Convert to fraction form
   2,018.22/2,784.78 = 1,273.14/x
3. Step 3: Cross multiply
   2,018.22x = 2,784.78 × 1,273.14
4. Step 4: Simplify right side
   2,018.22x = 3,545,414.81
5. Step 5: Solve for x
   x = 3,545,414.81/2,018.22
6. Step 6: Final answer
   x = 1,756.70