Finding the Fourth Proportional to 2,685.52, 3,706.20 and 1,490.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,685.52 : 3,706.20 = 1,490.56 : x
2. Step 2: Convert to fraction form
   2,685.52/3,706.20 = 1,490.56/x
3. Step 3: Cross multiply
   2,685.52x = 3,706.20 × 1,490.56
4. Step 4: Simplify right side
   2,685.52x = 5,524,313.47
5. Step 5: Solve for x
   x = 5,524,313.47/2,685.52
6. Step 6: Final answer
   x = 2,057.07