Finding the Fourth Proportional to 2,689.89, 3,711.93 and 1,510.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,689.89 : 3,711.93 = 1,510.93 : x
2. Step 2: Convert to fraction form
   2,689.89/3,711.93 = 1,510.93/x
3. Step 3: Cross multiply
   2,689.89x = 3,711.93 × 1,510.93
4. Step 4: Simplify right side
   2,689.89x = 5,608,466.39
5. Step 5: Solve for x
   x = 5,608,466.39/2,689.89
6. Step 6: Final answer
   x = 2,085.02