Finding the Fourth Proportional to 2,196.42, 3,296.43 and 897.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196.42 : 3,296.43 = 897.90 : x
2. Step 2: Convert to fraction form
   2,196.42/3,296.43 = 897.90/x
3. Step 3: Cross multiply
   2,196.42x = 3,296.43 × 897.90
4. Step 4: Simplify right side
   2,196.42x = 2,959,864.50
5. Step 5: Solve for x
   x = 2,959,864.50/2,196.42
6. Step 6: Final answer
   x = 1,347.59