Finding the Fourth Proportional to 2,070.53, 3,103.44 and 1,031.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,070.53 : 3,103.44 = 1,031.27 : x
2. Step 2: Convert to fraction form
   2,070.53/3,103.44 = 1,031.27/x
3. Step 3: Cross multiply
   2,070.53x = 3,103.44 × 1,031.27
4. Step 4: Simplify right side
   2,070.53x = 3,200,469.05
5. Step 5: Solve for x
   x = 3,200,469.05/2,070.53
6. Step 6: Final answer
   x = 1,545.73