Finding the Fourth Proportional to 4,150.82, 6,228.72 and 1,685.45

Step by Step Solution

1. Step 1: Write the proportion equation
   4,150.82 : 6,228.72 = 1,685.45 : x
2. Step 2: Convert to fraction form
   4,150.82/6,228.72 = 1,685.45/x
3. Step 3: Cross multiply
   4,150.82x = 6,228.72 × 1,685.45
4. Step 4: Simplify right side
   4,150.82x = 10,498,211.70
5. Step 5: Solve for x
   x = 10,498,211.70/4,150.82
6. Step 6: Final answer
   x = 2,529.19