Finding the Fourth Proportional to 1,412.15, 1,949.43 and 940.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,412.15 : 1,949.43 = 940.83 : x
2. Step 2: Convert to fraction form
   1,412.15/1,949.43 = 940.83/x
3. Step 3: Cross multiply
   1,412.15x = 1,949.43 × 940.83
4. Step 4: Simplify right side
   1,412.15x = 1,834,067.78
5. Step 5: Solve for x
   x = 1,834,067.78/1,412.15
6. Step 6: Final answer
   x = 1,298.78