Finding the Fourth Proportional to 3,675.51, 5,513.00 and 1,078.38

Step by Step Solution

1. Step 1: Write the proportion equation
   3,675.51 : 5,513.00 = 1,078.38 : x
2. Step 2: Convert to fraction form
   3,675.51/5,513.00 = 1,078.38/x
3. Step 3: Cross multiply
   3,675.51x = 5,513.00 × 1,078.38
4. Step 4: Simplify right side
   3,675.51x = 5,945,103.55
5. Step 5: Solve for x
   x = 5,945,103.55/3,675.51
6. Step 6: Final answer
   x = 1,617.49