Finding the Fourth Proportional to 3,894.92, 5,374.86 and 2,322.20

Step by Step Solution

1. Step 1: Write the proportion equation
   3,894.92 : 5,374.86 = 2,322.20 : x
2. Step 2: Convert to fraction form
   3,894.92/5,374.86 = 2,322.20/x
3. Step 3: Cross multiply
   3,894.92x = 5,374.86 × 2,322.20
4. Step 4: Simplify right side
   3,894.92x = 12,481,499.89
5. Step 5: Solve for x
   x = 12,481,499.89/3,894.92
6. Step 6: Final answer
   x = 3,204.56