Finding the Fourth Proportional to 2,689.22, 3,711.12 and 1,510.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,689.22 : 3,711.12 = 1,510.28 : x
2. Step 2: Convert to fraction form
   2,689.22/3,711.12 = 1,510.28/x
3. Step 3: Cross multiply
   2,689.22x = 3,711.12 × 1,510.28
4. Step 4: Simplify right side
   2,689.22x = 5,604,830.31
5. Step 5: Solve for x
   x = 5,604,830.31/2,689.22
6. Step 6: Final answer
   x = 2,084.18