Finding the Fourth Proportional to 1,350.38, 1,863.59 and 826.44

Step by Step Solution

1. Step 1: Write the proportion equation
   1,350.38 : 1,863.59 = 826.44 : x
2. Step 2: Convert to fraction form
   1,350.38/1,863.59 = 826.44/x
3. Step 3: Cross multiply
   1,350.38x = 1,863.59 × 826.44
4. Step 4: Simplify right side
   1,350.38x = 1,540,141.19
5. Step 5: Solve for x
   x = 1,540,141.19/1,350.38
6. Step 6: Final answer
   x = 1,140.53