Finding the Fourth Proportional to 2,688.89, 3,710.38 and 1,510.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,688.89 : 3,710.38 = 1,510.09 : x
2. Step 2: Convert to fraction form
   2,688.89/3,710.38 = 1,510.09/x
3. Step 3: Cross multiply
   2,688.89x = 3,710.38 × 1,510.09
4. Step 4: Simplify right side
   2,688.89x = 5,603,007.73
5. Step 5: Solve for x
   x = 5,603,007.73/2,688.89
6. Step 6: Final answer
   x = 2,083.76