Finding the Fourth Proportional to 2,616.34, 3,922.83 and 1,227.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,616.34 : 3,922.83 = 1,227.82 : x
2. Step 2: Convert to fraction form
   2,616.34/3,922.83 = 1,227.82/x
3. Step 3: Cross multiply
   2,616.34x = 3,922.83 × 1,227.82
4. Step 4: Simplify right side
   2,616.34x = 4,816,529.13
5. Step 5: Solve for x
   x = 4,816,529.13/2,616.34
6. Step 6: Final answer
   x = 1,840.94