Finding the Fourth Proportional to 1,446.52, 1,996.20 and 817.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,446.52 : 1,996.20 = 817.07 : x
2. Step 2: Convert to fraction form
   1,446.52/1,996.20 = 817.07/x
3. Step 3: Cross multiply
   1,446.52x = 1,996.20 × 817.07
4. Step 4: Simplify right side
   1,446.52x = 1,631,035.13
5. Step 5: Solve for x
   x = 1,631,035.13/1,446.52
6. Step 6: Final answer
   x = 1,127.56