Finding the Fourth Proportional to 2,686.35, 3,706.98 and 1,491.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,686.35 : 3,706.98 = 1,491.24 : x
2. Step 2: Convert to fraction form
   2,686.35/3,706.98 = 1,491.24/x
3. Step 3: Cross multiply
   2,686.35x = 3,706.98 × 1,491.24
4. Step 4: Simplify right side
   2,686.35x = 5,528,002.39
5. Step 5: Solve for x
   x = 5,528,002.39/2,686.35
6. Step 6: Final answer
   x = 2,057.81