Finding the Fourth Proportional to 2,268.60, 3,404.31 and 1,228.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,268.60 : 3,404.31 = 1,228.17 : x
2. Step 2: Convert to fraction form
   2,268.60/3,404.31 = 1,228.17/x
3. Step 3: Cross multiply
   2,268.60x = 3,404.31 × 1,228.17
4. Step 4: Simplify right side
   2,268.60x = 4,181,071.41
5. Step 5: Solve for x
   x = 4,181,071.41/2,268.60
6. Step 6: Final answer
   x = 1,843.02