Finding the Fourth Proportional to 1,353.73, 1,868.27 and 822.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,353.73 : 1,868.27 = 822.49 : x
2. Step 2: Convert to fraction form
   1,353.73/1,868.27 = 822.49/x
3. Step 3: Cross multiply
   1,353.73x = 1,868.27 × 822.49
4. Step 4: Simplify right side
   1,353.73x = 1,536,633.39
5. Step 5: Solve for x
   x = 1,536,633.39/1,353.73
6. Step 6: Final answer
   x = 1,135.11