Finding the Fourth Proportional to 1,465.48, 2,196.06 and 816.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,465.48 : 2,196.06 = 816.04 : x
2. Step 2: Convert to fraction form
   1,465.48/2,196.06 = 816.04/x
3. Step 3: Cross multiply
   1,465.48x = 2,196.06 × 816.04
4. Step 4: Simplify right side
   1,465.48x = 1,792,072.80
5. Step 5: Solve for x
   x = 1,792,072.80/1,465.48
6. Step 6: Final answer
   x = 1,222.86