Finding the Fourth Proportional to 3,628.34, 5,442.55 and 1,031.27

Step by Step Solution

1. Step 1: Write the proportion equation
   3,628.34 : 5,442.55 = 1,031.27 : x
2. Step 2: Convert to fraction form
   3,628.34/5,442.55 = 1,031.27/x
3. Step 3: Cross multiply
   3,628.34x = 5,442.55 × 1,031.27
4. Step 4: Simplify right side
   3,628.34x = 5,612,738.54
5. Step 5: Solve for x
   x = 5,612,738.54/3,628.34
6. Step 6: Final answer
   x = 1,546.92