Finding the Fourth Proportional to 1,996.83, 2,753.73 and 1,440.90

Step by Step Solution

1. Step 1: Write the proportion equation
   1,996.83 : 2,753.73 = 1,440.90 : x
2. Step 2: Convert to fraction form
   1,996.83/2,753.73 = 1,440.90/x
3. Step 3: Cross multiply
   1,996.83x = 2,753.73 × 1,440.90
4. Step 4: Simplify right side
   1,996.83x = 3,967,849.56
5. Step 5: Solve for x
   x = 3,967,849.56/1,996.83
6. Step 6: Final answer
   x = 1,987.07