Finding the Fourth Proportional to 2,011.96, 2,776.52 and 1,127.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,011.96 : 2,776.52 = 1,127.77 : x
2. Step 2: Convert to fraction form
   2,011.96/2,776.52 = 1,127.77/x
3. Step 3: Cross multiply
   2,011.96x = 2,776.52 × 1,127.77
4. Step 4: Simplify right side
   2,011.96x = 3,131,271.84
5. Step 5: Solve for x
   x = 3,131,271.84/2,011.96
6. Step 6: Final answer
   x = 1,556.33