Finding the Fourth Proportional to 2,689.77, 3,711.48 and 1,510.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,689.77 : 3,711.48 = 1,510.62 : x
2. Step 2: Convert to fraction form
   2,689.77/3,711.48 = 1,510.62/x
3. Step 3: Cross multiply
   2,689.77x = 3,711.48 × 1,510.62
4. Step 4: Simplify right side
   2,689.77x = 5,606,616.33
5. Step 5: Solve for x
   x = 5,606,616.33/2,689.77
6. Step 6: Final answer
   x = 2,084.42