Finding the Fourth Proportional to 1,997.11, 2,756.06 and 1,113

Step by Step Solution

1. Step 1: Write the proportion equation
   1,997.11 : 2,756.06 = 1,113 : x
2. Step 2: Convert to fraction form
   1,997.11/2,756.06 = 1,113/x
3. Step 3: Cross multiply
   1,997.11x = 2,756.06 × 1,113
4. Step 4: Simplify right side
   1,997.11x = 3,067,494.78
5. Step 5: Solve for x
   x = 3,067,494.78/1,997.11
6. Step 6: Final answer
   x = 1,535.97