Finding the Fourth Proportional to 3,185.30, 4,772.72 and 3,063.80

Step by Step Solution

1. Step 1: Write the proportion equation
   3,185.30 : 4,772.72 = 3,063.80 : x
2. Step 2: Convert to fraction form
   3,185.30/4,772.72 = 3,063.80/x
3. Step 3: Cross multiply
   3,185.30x = 4,772.72 × 3,063.80
4. Step 4: Simplify right side
   3,185.30x = 14,622,659.54
5. Step 5: Solve for x
   x = 14,622,659.54/3,185.30
6. Step 6: Final answer
   x = 4,590.67