Finding the Fourth Proportional to 3,085.09, 4,228.87 and 3,043.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,085.09 : 4,228.87 = 3,043.56 : x
2. Step 2: Convert to fraction form
   3,085.09/4,228.87 = 3,043.56/x
3. Step 3: Cross multiply
   3,085.09x = 4,228.87 × 3,043.56
4. Step 4: Simplify right side
   3,085.09x = 12,870,809.75
5. Step 5: Solve for x
   x = 12,870,809.75/3,085.09
6. Step 6: Final answer
   x = 4,171.94