Finding the Fourth Proportional to 1,997.19, 2,755.89 and 1,112.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,997.19 : 2,755.89 = 1,112.96 : x
2. Step 2: Convert to fraction form
   1,997.19/2,755.89 = 1,112.96/x
3. Step 3: Cross multiply
   1,997.19x = 2,755.89 × 1,112.96
4. Step 4: Simplify right side
   1,997.19x = 3,067,202.22
5. Step 5: Solve for x
   x = 3,067,202.22/1,997.19
6. Step 6: Final answer
   x = 1,535.76