Finding the Fourth Proportional to 2,268.78, 3,404.61 and 1,229.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,268.78 : 3,404.61 = 1,229.49 : x
2. Step 2: Convert to fraction form
   2,268.78/3,404.61 = 1,229.49/x
3. Step 3: Cross multiply
   2,268.78x = 3,404.61 × 1,229.49
4. Step 4: Simplify right side
   2,268.78x = 4,185,933.95
5. Step 5: Solve for x
   x = 4,185,933.95/2,268.78
6. Step 6: Final answer
   x = 1,845.02