Finding the Fourth Proportional to 2,011.88, 2,776.52 and 1,127.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,011.88 : 2,776.52 = 1,127.70 : x
2. Step 2: Convert to fraction form
   2,011.88/2,776.52 = 1,127.70/x
3. Step 3: Cross multiply
   2,011.88x = 2,776.52 × 1,127.70
4. Step 4: Simplify right side
   2,011.88x = 3,131,081.60
5. Step 5: Solve for x
   x = 3,131,081.60/2,011.88
6. Step 6: Final answer
   x = 1,556.30