Finding the Fourth Proportional to 2,011.92, 2,776.48 and 1,127.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,011.92 : 2,776.48 = 1,127.82 : x
2. Step 2: Convert to fraction form
   2,011.92/2,776.48 = 1,127.82/x
3. Step 3: Cross multiply
   2,011.92x = 2,776.48 × 1,127.82
4. Step 4: Simplify right side
   2,011.92x = 3,131,369.67
5. Step 5: Solve for x
   x = 3,131,369.67/2,011.92
6. Step 6: Final answer
   x = 1,556.41