Finding the Fourth Proportional to 2,310.89, 3,466.35 and 1,078.13

Step by Step Solution

1. Step 1: Write the proportion equation
   2,310.89 : 3,466.35 = 1,078.13 : x
2. Step 2: Convert to fraction form
   2,310.89/3,466.35 = 1,078.13/x
3. Step 3: Cross multiply
   2,310.89x = 3,466.35 × 1,078.13
4. Step 4: Simplify right side
   2,310.89x = 3,737,158.59
5. Step 5: Solve for x
   x = 3,737,158.59/2,310.89
6. Step 6: Final answer
   x = 1,617.20