Finding the Fourth Proportional to 1,485.48, 2,049.82 and 822.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,485.48 : 2,049.82 = 822.33 : x
2. Step 2: Convert to fraction form
   1,485.48/2,049.82 = 822.33/x
3. Step 3: Cross multiply
   1,485.48x = 2,049.82 × 822.33
4. Step 4: Simplify right side
   1,485.48x = 1,685,628.48
5. Step 5: Solve for x
   x = 1,685,628.48/1,485.48
6. Step 6: Final answer
   x = 1,134.74