Finding the Fourth Proportional to 1,350.18, 1,863.12 and 826.11

Step by Step Solution

1. Step 1: Write the proportion equation
   1,350.18 : 1,863.12 = 826.11 : x
2. Step 2: Convert to fraction form
   1,350.18/1,863.12 = 826.11/x
3. Step 3: Cross multiply
   1,350.18x = 1,863.12 × 826.11
4. Step 4: Simplify right side
   1,350.18x = 1,539,142.06
5. Step 5: Solve for x
   x = 1,539,142.06/1,350.18
6. Step 6: Final answer
   x = 1,139.95