Finding the Fourth Proportional to 2,011.86, 2,776.50 and 1,127.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,011.86 : 2,776.50 = 1,127.82 : x
2. Step 2: Convert to fraction form
   2,011.86/2,776.50 = 1,127.82/x
3. Step 3: Cross multiply
   2,011.86x = 2,776.50 × 1,127.82
4. Step 4: Simplify right side
   2,011.86x = 3,131,392.23
5. Step 5: Solve for x
   x = 3,131,392.23/2,011.86
6. Step 6: Final answer
   x = 1,556.47