Finding the Fourth Proportional to 1,304.94, 1,798.83 and 838.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,304.94 : 1,798.83 = 838.38 : x
2. Step 2: Convert to fraction form
   1,304.94/1,798.83 = 838.38/x
3. Step 3: Cross multiply
   1,304.94x = 1,798.83 × 838.38
4. Step 4: Simplify right side
   1,304.94x = 1,508,103.10
5. Step 5: Solve for x
   x = 1,508,103.10/1,304.94
6. Step 6: Final answer
   x = 1,155.69