Finding the Fourth Proportional to 3,628.50, 5,443.22 and 1,031.51

Step by Step Solution

1. Step 1: Write the proportion equation
   3,628.50 : 5,443.22 = 1,031.51 : x
2. Step 2: Convert to fraction form
   3,628.50/5,443.22 = 1,031.51/x
3. Step 3: Cross multiply
   3,628.50x = 5,443.22 × 1,031.51
4. Step 4: Simplify right side
   3,628.50x = 5,614,703.49
5. Step 5: Solve for x
   x = 5,614,703.49/3,628.50
6. Step 6: Final answer
   x = 1,547.39