Finding the Fourth Proportional to 2,011.54, 2,775.89 and 1,127.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,011.54 : 2,775.89 = 1,127.34 : x
2. Step 2: Convert to fraction form
   2,011.54/2,775.89 = 1,127.34/x
3. Step 3: Cross multiply
   2,011.54x = 2,775.89 × 1,127.34
4. Step 4: Simplify right side
   2,011.54x = 3,129,371.83
5. Step 5: Solve for x
   x = 3,129,371.83/2,011.54
6. Step 6: Final answer
   x = 1,555.71