Finding the Fourth Proportional to 1,076.22, 1,612.94 and 936.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,076.22 : 1,612.94 = 936.82 : x
2. Step 2: Convert to fraction form
   1,076.22/1,612.94 = 936.82/x
3. Step 3: Cross multiply
   1,076.22x = 1,612.94 × 936.82
4. Step 4: Simplify right side
   1,076.22x = 1,511,034.45
5. Step 5: Solve for x
   x = 1,511,034.45/1,076.22
6. Step 6: Final answer
   x = 1,404.02