Finding the Fourth Proportional to 1,450.89, 2,002.83 and 1,031.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,450.89 : 2,002.83 = 1,031.31 : x
2. Step 2: Convert to fraction form
   1,450.89/2,002.83 = 1,031.31/x
3. Step 3: Cross multiply
   1,450.89x = 2,002.83 × 1,031.31
4. Step 4: Simplify right side
   1,450.89x = 2,065,538.61
5. Step 5: Solve for x
   x = 2,065,538.61/1,450.89
6. Step 6: Final answer
   x = 1,423.64