Finding the Fourth Proportional to 5,018.70, 7,520.83 and 2,822.79

Step by Step Solution

1. Step 1: Write the proportion equation
   5,018.70 : 7,520.83 = 2,822.79 : x
2. Step 2: Convert to fraction form
   5,018.70/7,520.83 = 2,822.79/x
3. Step 3: Cross multiply
   5,018.70x = 7,520.83 × 2,822.79
4. Step 4: Simplify right side
   5,018.70x = 21,229,723.72
5. Step 5: Solve for x
   x = 21,229,723.72/5,018.70
6. Step 6: Final answer
   x = 4,230.12