Finding the Fourth Proportional to 2,834.72, 4,258.56 and 2,219.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,834.72 : 4,258.56 = 2,219.36 : x
2. Step 2: Convert to fraction form
   2,834.72/4,258.56 = 2,219.36/x
3. Step 3: Cross multiply
   2,834.72x = 4,258.56 × 2,219.36
4. Step 4: Simplify right side
   2,834.72x = 9,451,277.72
5. Step 5: Solve for x
   x = 9,451,277.72/2,834.72
6. Step 6: Final answer
   x = 3,334.11