Finding the Fourth Proportional to 2,685.61, 3,706.09 and 1,490.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,685.61 : 3,706.09 = 1,490.59 : x
2. Step 2: Convert to fraction form
   2,685.61/3,706.09 = 1,490.59/x
3. Step 3: Cross multiply
   2,685.61x = 3,706.09 × 1,490.59
4. Step 4: Simplify right side
   2,685.61x = 5,524,262.68
5. Step 5: Solve for x
   x = 5,524,262.68/2,685.61
6. Step 6: Final answer
   x = 2,056.99