Finding the Fourth Proportional to 3,085.94, 4,262.31 and 2,245.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,085.94 : 4,262.31 = 2,245.31 : x
2. Step 2: Convert to fraction form
   3,085.94/4,262.31 = 2,245.31/x
3. Step 3: Cross multiply
   3,085.94x = 4,262.31 × 2,245.31
4. Step 4: Simplify right side
   3,085.94x = 9,570,185.95
5. Step 5: Solve for x
   x = 9,570,185.95/3,085.94
6. Step 6: Final answer
   x = 3,101.23