Finding the Fourth Proportional to 2,196.30, 3,295.34 and 897.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196.30 : 3,295.34 = 897.90 : x
2. Step 2: Convert to fraction form
   2,196.30/3,295.34 = 897.90/x
3. Step 3: Cross multiply
   2,196.30x = 3,295.34 × 897.90
4. Step 4: Simplify right side
   2,196.30x = 2,958,885.79
5. Step 5: Solve for x
   x = 2,958,885.79/2,196.30
6. Step 6: Final answer
   x = 1,347.21