Finding the Fourth Proportional to 3,745.16, 5,167.86 and 2,066.43

Step by Step Solution

1. Step 1: Write the proportion equation
   3,745.16 : 5,167.86 = 2,066.43 : x
2. Step 2: Convert to fraction form
   3,745.16/5,167.86 = 2,066.43/x
3. Step 3: Cross multiply
   3,745.16x = 5,167.86 × 2,066.43
4. Step 4: Simplify right side
   3,745.16x = 10,679,020.94
5. Step 5: Solve for x
   x = 10,679,020.94/3,745.16
6. Step 6: Final answer
   x = 2,851.42