Finding the Fourth Proportional to 5,218.79, 7,822.52 and 2,443.73

Step by Step Solution

1. Step 1: Write the proportion equation
   5,218.79 : 7,822.52 = 2,443.73 : x
2. Step 2: Convert to fraction form
   5,218.79/7,822.52 = 2,443.73/x
3. Step 3: Cross multiply
   5,218.79x = 7,822.52 × 2,443.73
4. Step 4: Simplify right side
   5,218.79x = 19,116,114.58
5. Step 5: Solve for x
   x = 19,116,114.58/5,218.79
6. Step 6: Final answer
   x = 3,662.94