Finding the Fourth Proportional to 3,675.27, 5,072.31 and 2,103.87

Step by Step Solution

1. Step 1: Write the proportion equation
   3,675.27 : 5,072.31 = 2,103.87 : x
2. Step 2: Convert to fraction form
   3,675.27/5,072.31 = 2,103.87/x
3. Step 3: Cross multiply
   3,675.27x = 5,072.31 × 2,103.87
4. Step 4: Simplify right side
   3,675.27x = 10,671,480.84
5. Step 5: Solve for x
   x = 10,671,480.84/3,675.27
6. Step 6: Final answer
   x = 2,903.59