Finding the Fourth Proportional to 1,223.28, 1,833.37 and 806.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,223.28 : 1,833.37 = 806.00 : x
2. Step 2: Convert to fraction form
   1,223.28/1,833.37 = 806.00/x
3. Step 3: Cross multiply
   1,223.28x = 1,833.37 × 806.00
4. Step 4: Simplify right side
   1,223.28x = 1,477,685.04
5. Step 5: Solve for x
   x = 1,477,685.04/1,223.28
6. Step 6: Final answer
   x = 1,207.97