Finding the Fourth Proportional to 2,103.63, 3,155.84 and 949.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,103.63 : 3,155.84 = 949.38 : x
2. Step 2: Convert to fraction form
   2,103.63/3,155.84 = 949.38/x
3. Step 3: Cross multiply
   2,103.63x = 3,155.84 × 949.38
4. Step 4: Simplify right side
   2,103.63x = 2,996,091.38
5. Step 5: Solve for x
   x = 2,996,091.38/2,103.63
6. Step 6: Final answer
   x = 1,424.25