Finding the Fourth Proportional to 2,844.59, 3,922.92 and 1,949.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,844.59 : 3,922.92 = 1,949.63 : x
2. Step 2: Convert to fraction form
   2,844.59/3,922.92 = 1,949.63/x
3. Step 3: Cross multiply
   2,844.59x = 3,922.92 × 1,949.63
4. Step 4: Simplify right side
   2,844.59x = 7,648,222.91
5. Step 5: Solve for x
   x = 7,648,222.91/2,844.59
6. Step 6: Final answer
   x = 2,688.70