Finding the Fourth Proportional to 3,269.89, 4,904.15 and 1,078.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,269.89 : 4,904.15 = 1,078.10 : x
2. Step 2: Convert to fraction form
   3,269.89/4,904.15 = 1,078.10/x
3. Step 3: Cross multiply
   3,269.89x = 4,904.15 × 1,078.10
4. Step 4: Simplify right side
   3,269.89x = 5,287,170.98
5. Step 5: Solve for x
   x = 5,287,170.98/3,269.89
6. Step 6: Final answer
   x = 1,616.93