Finding the Fourth Proportional to 3,110.49, 4,258.82 and 3,099.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,110.49 : 4,258.82 = 3,099.56 : x
2. Step 2: Convert to fraction form
   3,110.49/4,258.82 = 3,099.56/x
3. Step 3: Cross multiply
   3,110.49x = 4,258.82 × 3,099.56
4. Step 4: Simplify right side
   3,110.49x = 13,200,454.57
5. Step 5: Solve for x
   x = 13,200,454.57/3,110.49
6. Step 6: Final answer
   x = 4,243.85