Finding the Fourth Proportional to 1,425.03, 1,963.48 and 1,031.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,425.03 : 1,963.48 = 1,031.37 : x
2. Step 2: Convert to fraction form
   1,425.03/1,963.48 = 1,031.37/x
3. Step 3: Cross multiply
   1,425.03x = 1,963.48 × 1,031.37
4. Step 4: Simplify right side
   1,425.03x = 2,025,074.37
5. Step 5: Solve for x
   x = 2,025,074.37/1,425.03
6. Step 6: Final answer
   x = 1,421.07