Finding the Fourth Proportional to 3,339.50, 5,009.32 and 1,031

Step by Step Solution

1. Step 1: Write the proportion equation
   3,339.50 : 5,009.32 = 1,031 : x
2. Step 2: Convert to fraction form
   3,339.50/5,009.32 = 1,031/x
3. Step 3: Cross multiply
   3,339.50x = 5,009.32 × 1,031
4. Step 4: Simplify right side
   3,339.50x = 5,164,608.92
5. Step 5: Solve for x
   x = 5,164,608.92/3,339.50
6. Step 6: Final answer
   x = 1,546.52