Finding the Fourth Proportional to 2,461.97, 3,691.72 and 817.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,461.97 : 3,691.72 = 817.94 : x
2. Step 2: Convert to fraction form
   2,461.97/3,691.72 = 817.94/x
3. Step 3: Cross multiply
   2,461.97x = 3,691.72 × 817.94
4. Step 4: Simplify right side
   2,461.97x = 3,019,605.46
5. Step 5: Solve for x
   x = 3,019,605.46/2,461.97
6. Step 6: Final answer
   x = 1,226.50