Finding the Fourth Proportional to 2,012.00, 2,776.55 and 1,127.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,012.00 : 2,776.55 = 1,127.81 : x
2. Step 2: Convert to fraction form
   2,012.00/2,776.55 = 1,127.81/x
3. Step 3: Cross multiply
   2,012.00x = 2,776.55 × 1,127.81
4. Step 4: Simplify right side
   2,012.00x = 3,131,401.33
5. Step 5: Solve for x
   x = 3,131,401.33/2,012.00
6. Step 6: Final answer
   x = 1,556.37