Finding the Fourth Proportional to 3,371.69, 5,055.61 and 1,031.05

Step by Step Solution

1. Step 1: Write the proportion equation
   3,371.69 : 5,055.61 = 1,031.05 : x
2. Step 2: Convert to fraction form
   3,371.69/5,055.61 = 1,031.05/x
3. Step 3: Cross multiply
   3,371.69x = 5,055.61 × 1,031.05
4. Step 4: Simplify right side
   3,371.69x = 5,212,586.69
5. Step 5: Solve for x
   x = 5,212,586.69/3,371.69
6. Step 6: Final answer
   x = 1,545.99