Finding the Fourth Proportional to 1,630.41, 2,446.17 and 809.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,630.41 : 2,446.17 = 809.27 : x
2. Step 2: Convert to fraction form
   1,630.41/2,446.17 = 809.27/x
3. Step 3: Cross multiply
   1,630.41x = 2,446.17 × 809.27
4. Step 4: Simplify right side
   1,630.41x = 1,979,612.00
5. Step 5: Solve for x
   x = 1,979,612.00/1,630.41
6. Step 6: Final answer
   x = 1,214.18