Finding the Fourth Proportional to 3,676.28, 5,513.70 and 1,078.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,676.28 : 5,513.70 = 1,078.52 : x
2. Step 2: Convert to fraction form
   3,676.28/5,513.70 = 1,078.52/x
3. Step 3: Cross multiply
   3,676.28x = 5,513.70 × 1,078.52
4. Step 4: Simplify right side
   3,676.28x = 5,946,635.72
5. Step 5: Solve for x
   x = 5,946,635.72/3,676.28
6. Step 6: Final answer
   x = 1,617.57