Finding the Fourth Proportional to 2,688.90, 3,710.61 and 1,510.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,688.90 : 3,710.61 = 1,510.08 : x
2. Step 2: Convert to fraction form
   2,688.90/3,710.61 = 1,510.08/x
3. Step 3: Cross multiply
   2,688.90x = 3,710.61 × 1,510.08
4. Step 4: Simplify right side
   2,688.90x = 5,603,317.95
5. Step 5: Solve for x
   x = 5,603,317.95/2,688.90
6. Step 6: Final answer
   x = 2,083.87