Finding the Fourth Proportional to 3,666.09, 5,058.84 and 2,072.61

Step by Step Solution

1. Step 1: Write the proportion equation
   3,666.09 : 5,058.84 = 2,072.61 : x
2. Step 2: Convert to fraction form
   3,666.09/5,058.84 = 2,072.61/x
3. Step 3: Cross multiply
   3,666.09x = 5,058.84 × 2,072.61
4. Step 4: Simplify right side
   3,666.09x = 10,485,002.37
5. Step 5: Solve for x
   x = 10,485,002.37/3,666.09
6. Step 6: Final answer
   x = 2,860.00