Finding the Fourth Proportional to 3,637.76, 5,019.81 and 2,066.09

Step by Step Solution

1. Step 1: Write the proportion equation
   3,637.76 : 5,019.81 = 2,066.09 : x
2. Step 2: Convert to fraction form
   3,637.76/5,019.81 = 2,066.09/x
3. Step 3: Cross multiply
   3,637.76x = 5,019.81 × 2,066.09
4. Step 4: Simplify right side
   3,637.76x = 10,371,379.24
5. Step 5: Solve for x
   x = 10,371,379.24/3,637.76
6. Step 6: Final answer
   x = 2,851.03