Finding the Fourth Proportional to 2,196.78, 3,295.63 and 898.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196.78 : 3,295.63 = 898.25 : x
2. Step 2: Convert to fraction form
   2,196.78/3,295.63 = 898.25/x
3. Step 3: Cross multiply
   2,196.78x = 3,295.63 × 898.25
4. Step 4: Simplify right side
   2,196.78x = 2,960,299.65
5. Step 5: Solve for x
   x = 2,960,299.65/2,196.78
6. Step 6: Final answer
   x = 1,347.56