Finding the Fourth Proportional to 3,554.28, 4,906.71 and 2,229.93

Step by Step Solution

1. Step 1: Write the proportion equation
   3,554.28 : 4,906.71 = 2,229.93 : x
2. Step 2: Convert to fraction form
   3,554.28/4,906.71 = 2,229.93/x
3. Step 3: Cross multiply
   3,554.28x = 4,906.71 × 2,229.93
4. Step 4: Simplify right side
   3,554.28x = 10,941,619.83
5. Step 5: Solve for x
   x = 10,941,619.83/3,554.28
6. Step 6: Final answer
   x = 3,078.43