Finding the Fourth Proportional to 1,918.37, 2,874.18 and 1,367.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,918.37 : 2,874.18 = 1,367.71 : x
2. Step 2: Convert to fraction form
   1,918.37/2,874.18 = 1,367.71/x
3. Step 3: Cross multiply
   1,918.37x = 2,874.18 × 1,367.71
4. Step 4: Simplify right side
   1,918.37x = 3,931,044.73
5. Step 5: Solve for x
   x = 3,931,044.73/1,918.37
6. Step 6: Final answer
   x = 2,049.16