Finding the Fourth Proportional to 2,011.82, 2,776.16 and 1,127.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,011.82 : 2,776.16 = 1,127.60 : x
2. Step 2: Convert to fraction form
   2,011.82/2,776.16 = 1,127.60/x
3. Step 3: Cross multiply
   2,011.82x = 2,776.16 × 1,127.60
4. Step 4: Simplify right side
   2,011.82x = 3,130,398.02
5. Step 5: Solve for x
   x = 3,130,398.02/2,011.82
6. Step 6: Final answer
   x = 1,556.00