Finding the Fourth Proportional to 1,996.89, 2,755.53 and 1,112.67

Step by Step Solution

1. Step 1: Write the proportion equation
   1,996.89 : 2,755.53 = 1,112.67 : x
2. Step 2: Convert to fraction form
   1,996.89/2,755.53 = 1,112.67/x
3. Step 3: Cross multiply
   1,996.89x = 2,755.53 × 1,112.67
4. Step 4: Simplify right side
   1,996.89x = 3,065,995.57
5. Step 5: Solve for x
   x = 3,065,995.57/1,996.89
6. Step 6: Final answer
   x = 1,535.39