Finding the Fourth Proportional to 2,105.43, 2,906.04 and 1,266.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,105.43 : 2,906.04 = 1,266.18 : x
2. Step 2: Convert to fraction form
   2,105.43/2,906.04 = 1,266.18/x
3. Step 3: Cross multiply
   2,105.43x = 2,906.04 × 1,266.18
4. Step 4: Simplify right side
   2,105.43x = 3,679,569.73
5. Step 5: Solve for x
   x = 3,679,569.73/2,105.43
6. Step 6: Final answer
   x = 1,747.66