Finding the Fourth Proportional to 3,085.56, 4,258.60 and 2,427.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,085.56 : 4,258.60 = 2,427.42 : x
2. Step 2: Convert to fraction form
   3,085.56/4,258.60 = 2,427.42/x
3. Step 3: Cross multiply
   3,085.56x = 4,258.60 × 2,427.42
4. Step 4: Simplify right side
   3,085.56x = 10,337,410.81
5. Step 5: Solve for x
   x = 10,337,410.81/3,085.56
6. Step 6: Final answer
   x = 3,350.25