Finding the Fourth Proportional to 3,244.78, 4,478.79 and 2,196.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,244.78 : 4,478.79 = 2,196.82 : x
2. Step 2: Convert to fraction form
   3,244.78/4,478.79 = 2,196.82/x
3. Step 3: Cross multiply
   3,244.78x = 4,478.79 × 2,196.82
4. Step 4: Simplify right side
   3,244.78x = 9,839,095.45
5. Step 5: Solve for x
   x = 9,839,095.45/3,244.78
6. Step 6: Final answer
   x = 3,032.28