Finding the Fourth Proportional to 1,949.39, 2,922.33 and 852.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,949.39 : 2,922.33 = 852.89 : x
2. Step 2: Convert to fraction form
   1,949.39/2,922.33 = 852.89/x
3. Step 3: Cross multiply
   1,949.39x = 2,922.33 × 852.89
4. Step 4: Simplify right side
   1,949.39x = 2,492,411.42
5. Step 5: Solve for x
   x = 2,492,411.42/1,949.39
6. Step 6: Final answer
   x = 1,278.56