Finding the Fourth Proportional to 3,665.41, 5,058.39 and 2,072.11

Step by Step Solution

1. Step 1: Write the proportion equation
   3,665.41 : 5,058.39 = 2,072.11 : x
2. Step 2: Convert to fraction form
   3,665.41/5,058.39 = 2,072.11/x
3. Step 3: Cross multiply
   3,665.41x = 5,058.39 × 2,072.11
4. Step 4: Simplify right side
   3,665.41x = 10,481,516.32
5. Step 5: Solve for x
   x = 10,481,516.32/3,665.41
6. Step 6: Final answer
   x = 2,859.58