Finding the Fourth Proportional to 3,822.18, 5,724.71 and 3,322.18

Step by Step Solution

1. Step 1: Write the proportion equation
   3,822.18 : 5,724.71 = 3,322.18 : x
2. Step 2: Convert to fraction form
   3,822.18/5,724.71 = 3,322.18/x
3. Step 3: Cross multiply
   3,822.18x = 5,724.71 × 3,322.18
4. Step 4: Simplify right side
   3,822.18x = 19,018,517.07
5. Step 5: Solve for x
   x = 19,018,517.07/3,822.18
6. Step 6: Final answer
   x = 4,975.83