Finding the Fourth Proportional to 922.37, 1,382.17 and 789.81

Step by Step Solution

1. Step 1: Write the proportion equation
   922.37 : 1,382.17 = 789.81 : x
2. Step 2: Convert to fraction form
   922.37/1,382.17 = 789.81/x
3. Step 3: Cross multiply
   922.37x = 1,382.17 × 789.81
4. Step 4: Simplify right side
   922.37x = 1,091,651.69
5. Step 5: Solve for x
   x = 1,091,651.69/922.37
6. Step 6: Final answer
   x = 1,183.53