Finding the Fourth Proportional to 1,480.38, 2,042.69 and 850.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,480.38 : 2,042.69 = 850.79 : x
2. Step 2: Convert to fraction form
   1,480.38/2,042.69 = 850.79/x
3. Step 3: Cross multiply
   1,480.38x = 2,042.69 × 850.79
4. Step 4: Simplify right side
   1,480.38x = 1,737,900.23
5. Step 5: Solve for x
   x = 1,737,900.23/1,480.38
6. Step 6: Final answer
   x = 1,173.96