Finding the Fourth Proportional to 2,196.86, 3,295.26 and 898.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196.86 : 3,295.26 = 898.31 : x
2. Step 2: Convert to fraction form
   2,196.86/3,295.26 = 898.31/x
3. Step 3: Cross multiply
   2,196.86x = 3,295.26 × 898.31
4. Step 4: Simplify right side
   2,196.86x = 2,960,173.25
5. Step 5: Solve for x
   x = 2,960,173.25/2,196.86
6. Step 6: Final answer
   x = 1,347.46