Finding the Fourth Proportional to 2,686.54, 3,706.98 and 1,567.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,686.54 : 3,706.98 = 1,567.60 : x
2. Step 2: Convert to fraction form
   2,686.54/3,706.98 = 1,567.60/x
3. Step 3: Cross multiply
   2,686.54x = 3,706.98 × 1,567.60
4. Step 4: Simplify right side
   2,686.54x = 5,811,061.85
5. Step 5: Solve for x
   x = 5,811,061.85/2,686.54
6. Step 6: Final answer
   x = 2,163.03