Finding the Fourth Proportional to 1,472.49, 2,032.17 and 809.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,472.49 : 2,032.17 = 809.48 : x
2. Step 2: Convert to fraction form
   1,472.49/2,032.17 = 809.48/x
3. Step 3: Cross multiply
   1,472.49x = 2,032.17 × 809.48
4. Step 4: Simplify right side
   1,472.49x = 1,644,991.82
5. Step 5: Solve for x
   x = 1,644,991.82/1,472.49
6. Step 6: Final answer
   x = 1,117.15