Finding the Fourth Proportional to 1,647.82, 2,274.33 and 949.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,647.82 : 2,274.33 = 949.42 : x
2. Step 2: Convert to fraction form
   1,647.82/2,274.33 = 949.42/x
3. Step 3: Cross multiply
   1,647.82x = 2,274.33 × 949.42
4. Step 4: Simplify right side
   1,647.82x = 2,159,294.39
5. Step 5: Solve for x
   x = 2,159,294.39/1,647.82
6. Step 6: Final answer
   x = 1,310.39