Finding the Fourth Proportional to 2,375.12, 3,540.24 and 2,258.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,375.12 : 3,540.24 = 2,258.15 : x
2. Step 2: Convert to fraction form
   2,375.12/3,540.24 = 2,258.15/x
3. Step 3: Cross multiply
   2,375.12x = 3,540.24 × 2,258.15
4. Step 4: Simplify right side
   2,375.12x = 7,994,375.25
5. Step 5: Solve for x
   x = 7,994,375.25/2,375.12
6. Step 6: Final answer
   x = 3,365.88