Finding the Fourth Proportional to 1,976.06, 2,963.46 and 806.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,976.06 : 2,963.46 = 806.06 : x
2. Step 2: Convert to fraction form
   1,976.06/2,963.46 = 806.06/x
3. Step 3: Cross multiply
   1,976.06x = 2,963.46 × 806.06
4. Step 4: Simplify right side
   1,976.06x = 2,388,726.57
5. Step 5: Solve for x
   x = 2,388,726.57/1,976.06
6. Step 6: Final answer
   x = 1,208.83