Finding the Fourth Proportional to 1,996.79, 2,755.49 and 1,112.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,996.79 : 2,755.49 = 1,112.54 : x
2. Step 2: Convert to fraction form
   1,996.79/2,755.49 = 1,112.54/x
3. Step 3: Cross multiply
   1,996.79x = 2,755.49 × 1,112.54
4. Step 4: Simplify right side
   1,996.79x = 3,065,573.50
5. Step 5: Solve for x
   x = 3,065,573.50/1,996.79
6. Step 6: Final answer
   x = 1,535.25