Finding the Fourth Proportional to 1,002.75, 1,498.04 and 838.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,002.75 : 1,498.04 = 838.73 : x
2. Step 2: Convert to fraction form
   1,002.75/1,498.04 = 838.73/x
3. Step 3: Cross multiply
   1,002.75x = 1,498.04 × 838.73
4. Step 4: Simplify right side
   1,002.75x = 1,256,439.41
5. Step 5: Solve for x
   x = 1,256,439.41/1,002.75
6. Step 6: Final answer
   x = 1,252.99