Finding the Fourth Proportional to 2,020.18, 3,018.49 and 1,490.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,020.18 : 3,018.49 = 1,490.84 : x
2. Step 2: Convert to fraction form
   2,020.18/3,018.49 = 1,490.84/x
3. Step 3: Cross multiply
   2,020.18x = 3,018.49 × 1,490.84
4. Step 4: Simplify right side
   2,020.18x = 4,500,089.38
5. Step 5: Solve for x
   x = 4,500,089.38/2,020.18
6. Step 6: Final answer
   x = 2,227.57