Finding the Fourth Proportional to 2,685.48, 3,705.61 and 1,490.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,685.48 : 3,705.61 = 1,490.46 : x
2. Step 2: Convert to fraction form
   2,685.48/3,705.61 = 1,490.46/x
3. Step 3: Cross multiply
   2,685.48x = 3,705.61 × 1,490.46
4. Step 4: Simplify right side
   2,685.48x = 5,523,063.48
5. Step 5: Solve for x
   x = 5,523,063.48/2,685.48
6. Step 6: Final answer
   x = 2,056.64