Finding the Fourth Proportional to 1,404.22, 1,936.32 and 984.44

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404.22 : 1,936.32 = 984.44 : x
2. Step 2: Convert to fraction form
   1,404.22/1,936.32 = 984.44/x
3. Step 3: Cross multiply
   1,404.22x = 1,936.32 × 984.44
4. Step 4: Simplify right side
   1,404.22x = 1,906,190.86
5. Step 5: Solve for x
   x = 1,906,190.86/1,404.22
6. Step 6: Final answer
   x = 1,357.47