Finding the Fourth Proportional to 2,238.94, 3,356.18 and 922.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,238.94 : 3,356.18 = 922.49 : x
2. Step 2: Convert to fraction form
   2,238.94/3,356.18 = 922.49/x
3. Step 3: Cross multiply
   2,238.94x = 3,356.18 × 922.49
4. Step 4: Simplify right side
   2,238.94x = 3,096,042.49
5. Step 5: Solve for x
   x = 3,096,042.49/2,238.94
6. Step 6: Final answer
   x = 1,382.82