Finding the Fourth Proportional to 3,628.54, 5,443.80 and 1,031.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,628.54 : 5,443.80 = 1,031.50 : x
2. Step 2: Convert to fraction form
   3,628.54/5,443.80 = 1,031.50/x
3. Step 3: Cross multiply
   3,628.54x = 5,443.80 × 1,031.50
4. Step 4: Simplify right side
   3,628.54x = 5,615,279.70
5. Step 5: Solve for x
   x = 5,615,279.70/3,628.54
6. Step 6: Final answer
   x = 1,547.53