Finding the Fourth Proportional to 3,665.98, 5,058.93 and 2,072.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,665.98 : 5,058.93 = 2,072.69 : x
2. Step 2: Convert to fraction form
   3,665.98/5,058.93 = 2,072.69/x
3. Step 3: Cross multiply
   3,665.98x = 5,058.93 × 2,072.69
4. Step 4: Simplify right side
   3,665.98x = 10,485,593.62
5. Step 5: Solve for x
   x = 10,485,593.62/3,665.98
6. Step 6: Final answer
   x = 2,860.24