Finding the Fourth Proportional to 2,686.50, 3,707.12 and 1,567.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,686.50 : 3,707.12 = 1,567.53 : x
2. Step 2: Convert to fraction form
   2,686.50/3,707.12 = 1,567.53/x
3. Step 3: Cross multiply
   2,686.50x = 3,707.12 × 1,567.53
4. Step 4: Simplify right side
   2,686.50x = 5,811,025.73
5. Step 5: Solve for x
   x = 5,811,025.73/2,686.50
6. Step 6: Final answer
   x = 2,163.05