Finding the Fourth Proportional to 2,196.82, 3,295.23 and 553.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196.82 : 3,295.23 = 553.49 : x
2. Step 2: Convert to fraction form
   2,196.82/3,295.23 = 553.49/x
3. Step 3: Cross multiply
   2,196.82x = 3,295.23 × 553.49
4. Step 4: Simplify right side
   2,196.82x = 1,823,883.71
5. Step 5: Solve for x
   x = 1,823,883.71/2,196.82
6. Step 6: Final answer
   x = 830.24