Finding the Fourth Proportional to 1,494.78, 2,062.73 and 865.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,494.78 : 2,062.73 = 865.28 : x
2. Step 2: Convert to fraction form
   1,494.78/2,062.73 = 865.28/x
3. Step 3: Cross multiply
   1,494.78x = 2,062.73 × 865.28
4. Step 4: Simplify right side
   1,494.78x = 1,784,824.37
5. Step 5: Solve for x
   x = 1,784,824.37/1,494.78
6. Step 6: Final answer
   x = 1,194.04