Finding the Fourth Proportional to 2,689.46, 3,711.42 and 1,510.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,689.46 : 3,711.42 = 1,510.58 : x
2. Step 2: Convert to fraction form
   2,689.46/3,711.42 = 1,510.58/x
3. Step 3: Cross multiply
   2,689.46x = 3,711.42 × 1,510.58
4. Step 4: Simplify right side
   2,689.46x = 5,606,396.82
5. Step 5: Solve for x
   x = 5,606,396.82/2,689.46
6. Step 6: Final answer
   x = 2,084.58