Finding the Fourth Proportional to 2,196.98, 3,296.68 and 899.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196.98 : 3,296.68 = 899.36 : x
2. Step 2: Convert to fraction form
   2,196.98/3,296.68 = 899.36/x
3. Step 3: Cross multiply
   2,196.98x = 3,296.68 × 899.36
4. Step 4: Simplify right side
   2,196.98x = 2,964,902.12
5. Step 5: Solve for x
   x = 2,964,902.12/2,196.98
6. Step 6: Final answer
   x = 1,349.54