Finding the Fourth Proportional to 1,393.22, 1,922.01 and 833.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,393.22 : 1,922.01 = 833.38 : x
2. Step 2: Convert to fraction form
   1,393.22/1,922.01 = 833.38/x
3. Step 3: Cross multiply
   1,393.22x = 1,922.01 × 833.38
4. Step 4: Simplify right side
   1,393.22x = 1,601,764.69
5. Step 5: Solve for x
   x = 1,601,764.69/1,393.22
6. Step 6: Final answer
   x = 1,149.69