Finding the Fourth Proportional to 2,814.89, 4,222.42 and 965.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,814.89 : 4,222.42 = 965.98 : x
2. Step 2: Convert to fraction form
   2,814.89/4,222.42 = 965.98/x
3. Step 3: Cross multiply
   2,814.89x = 4,222.42 × 965.98
4. Step 4: Simplify right side
   2,814.89x = 4,078,747.33
5. Step 5: Solve for x
   x = 4,078,747.33/2,814.89
6. Step 6: Final answer
   x = 1,448.99