Finding the Fourth Proportional to 1,304.28, 1,799.46 and 838.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,304.28 : 1,799.46 = 838.62 : x
2. Step 2: Convert to fraction form
   1,304.28/1,799.46 = 838.62/x
3. Step 3: Cross multiply
   1,304.28x = 1,799.46 × 838.62
4. Step 4: Simplify right side
   1,304.28x = 1,509,063.15
5. Step 5: Solve for x
   x = 1,509,063.15/1,304.28
6. Step 6: Final answer
   x = 1,157.01