Finding the Fourth Proportional to 1,997.09, 2,755.89 and 1,112.97

Step by Step Solution

1. Step 1: Write the proportion equation
   1,997.09 : 2,755.89 = 1,112.97 : x
2. Step 2: Convert to fraction form
   1,997.09/2,755.89 = 1,112.97/x
3. Step 3: Cross multiply
   1,997.09x = 2,755.89 × 1,112.97
4. Step 4: Simplify right side
   1,997.09x = 3,067,222.89
5. Step 5: Solve for x
   x = 3,067,222.89/1,997.09
6. Step 6: Final answer
   x = 1,535.85