Finding the Fourth Proportional to 1,412.09, 1,949.31 and 940.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,412.09 : 1,949.31 = 940.82 : x
2. Step 2: Convert to fraction form
   1,412.09/1,949.31 = 940.82/x
3. Step 3: Cross multiply
   1,412.09x = 1,949.31 × 940.82
4. Step 4: Simplify right side
   1,412.09x = 1,833,940.09
5. Step 5: Solve for x
   x = 1,833,940.09/1,412.09
6. Step 6: Final answer
   x = 1,298.75