Finding the Fourth Proportional to 3,111.21, 4,685.04 and 2,295.14

Step by Step Solution

1. Step 1: Write the proportion equation
   3,111.21 : 4,685.04 = 2,295.14 : x
2. Step 2: Convert to fraction form
   3,111.21/4,685.04 = 2,295.14/x
3. Step 3: Cross multiply
   3,111.21x = 4,685.04 × 2,295.14
4. Step 4: Simplify right side
   3,111.21x = 10,752,799.28
5. Step 5: Solve for x
   x = 10,752,799.28/3,111.21
6. Step 6: Final answer
   x = 3,456.15