Finding the Fourth Proportional to 3,544.52, 5,315.81 and 1,078.67

Step by Step Solution

1. Step 1: Write the proportion equation
   3,544.52 : 5,315.81 = 1,078.67 : x
2. Step 2: Convert to fraction form
   3,544.52/5,315.81 = 1,078.67/x
3. Step 3: Cross multiply
   3,544.52x = 5,315.81 × 1,078.67
4. Step 4: Simplify right side
   3,544.52x = 5,734,012.67
5. Step 5: Solve for x
   x = 5,734,012.67/3,544.52
6. Step 6: Final answer
   x = 1,617.71