Finding the Fourth Proportional to 1,065.83, 1,470.96 and 1,031.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,065.83 : 1,470.96 = 1,031.81 : x
2. Step 2: Convert to fraction form
   1,065.83/1,470.96 = 1,031.81/x
3. Step 3: Cross multiply
   1,065.83x = 1,470.96 × 1,031.81
4. Step 4: Simplify right side
   1,065.83x = 1,517,743.88
5. Step 5: Solve for x
   x = 1,517,743.88/1,065.83
6. Step 6: Final answer
   x = 1,424.01