Finding the Fourth Proportional to 2,689.47, 3,711.62 and 1,510.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,689.47 : 3,711.62 = 1,510.45 : x
2. Step 2: Convert to fraction form
   2,689.47/3,711.62 = 1,510.45/x
3. Step 3: Cross multiply
   2,689.47x = 3,711.62 × 1,510.45
4. Step 4: Simplify right side
   2,689.47x = 5,606,210.93
5. Step 5: Solve for x
   x = 5,606,210.93/2,689.47
6. Step 6: Final answer
   x = 2,084.50