Finding the Fourth Proportional to 1,393.83, 1,922.76 and 834.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,393.83 : 1,922.76 = 834.03 : x
2. Step 2: Convert to fraction form
   1,393.83/1,922.76 = 834.03/x
3. Step 3: Cross multiply
   1,393.83x = 1,922.76 × 834.03
4. Step 4: Simplify right side
   1,393.83x = 1,603,639.52
5. Step 5: Solve for x
   x = 1,603,639.52/1,393.83
6. Step 6: Final answer
   x = 1,150.53