Finding the Fourth Proportional to 2,685.43, 3,705.65 and 1,490.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,685.43 : 3,705.65 = 1,490.41 : x
2. Step 2: Convert to fraction form
   2,685.43/3,705.65 = 1,490.41/x
3. Step 3: Cross multiply
   2,685.43x = 3,705.65 × 1,490.41
4. Step 4: Simplify right side
   2,685.43x = 5,522,937.82
5. Step 5: Solve for x
   x = 5,522,937.82/2,685.43
6. Step 6: Final answer
   x = 2,056.63