Finding the Fourth Proportional to 1,429.41, 1,972.73 and 1,031.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,429.41 : 1,972.73 = 1,031.40 : x
2. Step 2: Convert to fraction form
   1,429.41/1,972.73 = 1,031.40/x
3. Step 3: Cross multiply
   1,429.41x = 1,972.73 × 1,031.40
4. Step 4: Simplify right side
   1,429.41x = 2,034,668.57
5. Step 5: Solve for x
   x = 2,034,668.57/1,429.41
6. Step 6: Final answer
   x = 1,423.43