Finding the Fourth Proportional to 1,997.12, 2,756.03 and 1,112.87

Step by Step Solution

1. Step 1: Write the proportion equation
   1,997.12 : 2,756.03 = 1,112.87 : x
2. Step 2: Convert to fraction form
   1,997.12/2,756.03 = 1,112.87/x
3. Step 3: Cross multiply
   1,997.12x = 2,756.03 × 1,112.87
4. Step 4: Simplify right side
   1,997.12x = 3,067,104.43
5. Step 5: Solve for x
   x = 3,067,104.43/1,997.12
6. Step 6: Final answer
   x = 1,535.76