Finding the Fourth Proportional to 2,012.11, 2,776.69 and 1,127.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,012.11 : 2,776.69 = 1,127.93 : x
2. Step 2: Convert to fraction form
   2,012.11/2,776.69 = 1,127.93/x
3. Step 3: Cross multiply
   2,012.11x = 2,776.69 × 1,127.93
4. Step 4: Simplify right side
   2,012.11x = 3,131,906.31
5. Step 5: Solve for x
   x = 3,131,906.31/2,012.11
6. Step 6: Final answer
   x = 1,556.53