Finding the Fourth Proportional to 1,078.27, 1,617.41 and 461.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,078.27 : 1,617.41 = 461.59 : x
2. Step 2: Convert to fraction form
   1,078.27/1,617.41 = 461.59/x
3. Step 3: Cross multiply
   1,078.27x = 1,617.41 × 461.59
4. Step 4: Simplify right side
   1,078.27x = 746,569.89
5. Step 5: Solve for x
   x = 746,569.89/1,078.27
6. Step 6: Final answer
   x = 692.38