Finding the Fourth Proportional to 4,822.55, 7,228.89 and 2,738.15

Step by Step Solution

1. Step 1: Write the proportion equation
   4,822.55 : 7,228.89 = 2,738.15 : x
2. Step 2: Convert to fraction form
   4,822.55/7,228.89 = 2,738.15/x
3. Step 3: Cross multiply
   4,822.55x = 7,228.89 × 2,738.15
4. Step 4: Simplify right side
   4,822.55x = 19,793,785.15
5. Step 5: Solve for x
   x = 19,793,785.15/4,822.55
6. Step 6: Final answer
   x = 4,104.42