Finding the Fourth Proportional to 3,085.09, 4,253.52 and 2,245.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,085.09 : 4,253.52 = 2,245.12 : x
2. Step 2: Convert to fraction form
   3,085.09/4,253.52 = 2,245.12/x
3. Step 3: Cross multiply
   3,085.09x = 4,253.52 × 2,245.12
4. Step 4: Simplify right side
   3,085.09x = 9,549,662.82
5. Step 5: Solve for x
   x = 9,549,662.82/3,085.09
6. Step 6: Final answer
   x = 3,095.42