Finding the Fourth Proportional to 1,085.07, 1,496.73 and 822.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,085.07 : 1,496.73 = 822.63 : x
2. Step 2: Convert to fraction form
   1,085.07/1,496.73 = 822.63/x
3. Step 3: Cross multiply
   1,085.07x = 1,496.73 × 822.63
4. Step 4: Simplify right side
   1,085.07x = 1,231,255.00
5. Step 5: Solve for x
   x = 1,231,255.00/1,085.07
6. Step 6: Final answer
   x = 1,134.72