Finding the Fourth Proportional to 1,446.98, 1,997.03 and 817.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,446.98 : 1,997.03 = 817.76 : x
2. Step 2: Convert to fraction form
   1,446.98/1,997.03 = 817.76/x
3. Step 3: Cross multiply
   1,446.98x = 1,997.03 × 817.76
4. Step 4: Simplify right side
   1,446.98x = 1,633,091.25
5. Step 5: Solve for x
   x = 1,633,091.25/1,446.98
6. Step 6: Final answer
   x = 1,128.62