Finding the Fourth Proportional to 1,031.40, 1,422.83 and 751.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,031.40 : 1,422.83 = 751.50 : x
2. Step 2: Convert to fraction form
   1,031.40/1,422.83 = 751.50/x
3. Step 3: Cross multiply
   1,031.40x = 1,422.83 × 751.50
4. Step 4: Simplify right side
   1,031.40x = 1,069,258.62
5. Step 5: Solve for x
   x = 1,069,258.62/1,031.40
6. Step 6: Final answer
   x = 1,036.71