Finding the Fourth Proportional to 1,463.82, 2,196.81 and 815.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,463.82 : 2,196.81 = 815.82 : x
2. Step 2: Convert to fraction form
   1,463.82/2,196.81 = 815.82/x
3. Step 3: Cross multiply
   1,463.82x = 2,196.81 × 815.82
4. Step 4: Simplify right side
   1,463.82x = 1,792,201.53
5. Step 5: Solve for x
   x = 1,792,201.53/1,463.82
6. Step 6: Final answer
   x = 1,224.33