Finding the Fourth Proportional to 2,185.43, 3,275.83 and 1,490.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,185.43 : 3,275.83 = 1,490.38 : x
2. Step 2: Convert to fraction form
   2,185.43/3,275.83 = 1,490.38/x
3. Step 3: Cross multiply
   2,185.43x = 3,275.83 × 1,490.38
4. Step 4: Simplify right side
   2,185.43x = 4,882,215.14
5. Step 5: Solve for x
   x = 4,882,215.14/2,185.43
6. Step 6: Final answer
   x = 2,233.98