Finding the Fourth Proportional to 1,350.82, 1,863.78 and 1,036.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,350.82 : 1,863.78 = 1,036.40 : x
2. Step 2: Convert to fraction form
   1,350.82/1,863.78 = 1,036.40/x
3. Step 3: Cross multiply
   1,350.82x = 1,863.78 × 1,036.40
4. Step 4: Simplify right side
   1,350.82x = 1,931,621.59
5. Step 5: Solve for x
   x = 1,931,621.59/1,350.82
6. Step 6: Final answer
   x = 1,429.96