Finding the Fourth Proportional to 1,976.80, 2,964.38 and 806.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,976.80 : 2,964.38 = 806.01 : x
2. Step 2: Convert to fraction form
   1,976.80/2,964.38 = 806.01/x
3. Step 3: Cross multiply
   1,976.80x = 2,964.38 × 806.01
4. Step 4: Simplify right side
   1,976.80x = 2,389,321.05
5. Step 5: Solve for x
   x = 2,389,321.05/1,976.80
6. Step 6: Final answer
   x = 1,208.68