Finding the Fourth Proportional to 1,451.43, 2,002.88 and 822.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,451.43 : 2,002.88 = 822.03 : x
2. Step 2: Convert to fraction form
   1,451.43/2,002.88 = 822.03/x
3. Step 3: Cross multiply
   1,451.43x = 2,002.88 × 822.03
4. Step 4: Simplify right side
   1,451.43x = 1,646,413.32
5. Step 5: Solve for x
   x = 1,646,413.32/1,451.43
6. Step 6: Final answer
   x = 1,134.34