Finding the Fourth Proportional to 2,068.23, 2,853.17 and 1,228.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,068.23 : 2,853.17 = 1,228.46 : x
2. Step 2: Convert to fraction form
   2,068.23/2,853.17 = 1,228.46/x
3. Step 3: Cross multiply
   2,068.23x = 2,853.17 × 1,228.46
4. Step 4: Simplify right side
   2,068.23x = 3,504,994.02
5. Step 5: Solve for x
   x = 3,504,994.02/2,068.23
6. Step 6: Final answer
   x = 1,694.69