Finding the Fourth Proportional to 1,996.65, 2,755.31 and 1,112.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,996.65 : 2,755.31 = 1,112.41 : x
2. Step 2: Convert to fraction form
   1,996.65/2,755.31 = 1,112.41/x
3. Step 3: Cross multiply
   1,996.65x = 2,755.31 × 1,112.41
4. Step 4: Simplify right side
   1,996.65x = 3,065,034.40
5. Step 5: Solve for x
   x = 3,065,034.40/1,996.65
6. Step 6: Final answer
   x = 1,535.09