Finding the Fourth Proportional to 3,674.94, 5,072.49 and 2,103.18

Step by Step Solution

1. Step 1: Write the proportion equation
   3,674.94 : 5,072.49 = 2,103.18 : x
2. Step 2: Convert to fraction form
   3,674.94/5,072.49 = 2,103.18/x
3. Step 3: Cross multiply
   3,674.94x = 5,072.49 × 2,103.18
4. Step 4: Simplify right side
   3,674.94x = 10,668,359.52
5. Step 5: Solve for x
   x = 10,668,359.52/3,674.94
6. Step 6: Final answer
   x = 2,903.00