Finding the Fourth Proportional to 3,141.87, 4,341.42 and 2,256.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,141.87 : 4,341.42 = 2,256.15 : x
2. Step 2: Convert to fraction form
   3,141.87/4,341.42 = 2,256.15/x
3. Step 3: Cross multiply
   3,141.87x = 4,341.42 × 2,256.15
4. Step 4: Simplify right side
   3,141.87x = 9,794,894.73
5. Step 5: Solve for x
   x = 9,794,894.73/3,141.87
6. Step 6: Final answer
   x = 3,117.54