Finding the Fourth Proportional to 2,011.85, 2,776.61 and 1,127.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,011.85 : 2,776.61 = 1,127.84 : x
2. Step 2: Convert to fraction form
   2,011.85/2,776.61 = 1,127.84/x
3. Step 3: Cross multiply
   2,011.85x = 2,776.61 × 1,127.84
4. Step 4: Simplify right side
   2,011.85x = 3,131,560.76
5. Step 5: Solve for x
   x = 3,131,560.76/2,011.85
6. Step 6: Final answer
   x = 1,556.56