Finding the Fourth Proportional to 2,149.89, 3,222.95 and 852.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,149.89 : 3,222.95 = 852.27 : x
2. Step 2: Convert to fraction form
   2,149.89/3,222.95 = 852.27/x
3. Step 3: Cross multiply
   2,149.89x = 3,222.95 × 852.27
4. Step 4: Simplify right side
   2,149.89x = 2,746,819.34
5. Step 5: Solve for x
   x = 2,746,819.34/2,149.89
6. Step 6: Final answer
   x = 1,277.66