Finding the Fourth Proportional to 2,203.82, 3,300.66 and 1,227.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,203.82 : 3,300.66 = 1,227.76 : x
2. Step 2: Convert to fraction form
   2,203.82/3,300.66 = 1,227.76/x
3. Step 3: Cross multiply
   2,203.82x = 3,300.66 × 1,227.76
4. Step 4: Simplify right side
   2,203.82x = 4,052,418.32
5. Step 5: Solve for x
   x = 4,052,418.32/2,203.82
6. Step 6: Final answer
   x = 1,838.82