Finding the Fourth Proportional to 2,689.59, 3,711.70 and 1,510.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,689.59 : 3,711.70 = 1,510.63 : x
2. Step 2: Convert to fraction form
   2,689.59/3,711.70 = 1,510.63/x
3. Step 3: Cross multiply
   2,689.59x = 3,711.70 × 1,510.63
4. Step 4: Simplify right side
   2,689.59x = 5,607,005.37
5. Step 5: Solve for x
   x = 5,607,005.37/2,689.59
6. Step 6: Final answer
   x = 2,084.71