Finding the Fourth Proportional to 2,182.70, 3,272.81 and 1,490.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,182.70 : 3,272.81 = 1,490.21 : x
2. Step 2: Convert to fraction form
   2,182.70/3,272.81 = 1,490.21/x
3. Step 3: Cross multiply
   2,182.70x = 3,272.81 × 1,490.21
4. Step 4: Simplify right side
   2,182.70x = 4,877,150.38
5. Step 5: Solve for x
   x = 4,877,150.38/2,182.70
6. Step 6: Final answer
   x = 2,234.46