Finding the Fourth Proportional to 2,012.18, 2,776.82 and 1,127.99

Step by Step Solution

1. Step 1: Write the proportion equation
   2,012.18 : 2,776.82 = 1,127.99 : x
2. Step 2: Convert to fraction form
   2,012.18/2,776.82 = 1,127.99/x
3. Step 3: Cross multiply
   2,012.18x = 2,776.82 × 1,127.99
4. Step 4: Simplify right side
   2,012.18x = 3,132,226.49
5. Step 5: Solve for x
   x = 3,132,226.49/2,012.18
6. Step 6: Final answer
   x = 1,556.64