Finding the Fourth Proportional to 1,997.28, 2,755.98 and 1,112.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,997.28 : 2,755.98 = 1,112.94 : x
2. Step 2: Convert to fraction form
   1,997.28/2,755.98 = 1,112.94/x
3. Step 3: Cross multiply
   1,997.28x = 2,755.98 × 1,112.94
4. Step 4: Simplify right side
   1,997.28x = 3,067,240.38
5. Step 5: Solve for x
   x = 3,067,240.38/1,997.28
6. Step 6: Final answer
   x = 1,535.71