Finding the Fourth Proportional to 3,371.96, 5,057.31 and 1,031.33

Step by Step Solution

1. Step 1: Write the proportion equation
   3,371.96 : 5,057.31 = 1,031.33 : x
2. Step 2: Convert to fraction form
   3,371.96/5,057.31 = 1,031.33/x
3. Step 3: Cross multiply
   3,371.96x = 5,057.31 × 1,031.33
4. Step 4: Simplify right side
   3,371.96x = 5,215,768.17
5. Step 5: Solve for x
   x = 5,215,768.17/3,371.96
6. Step 6: Final answer
   x = 1,546.80