Finding the Fourth Proportional to 2,196.42, 3,294.73 and 636.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196.42 : 3,294.73 = 636.36 : x
2. Step 2: Convert to fraction form
   2,196.42/3,294.73 = 636.36/x
3. Step 3: Cross multiply
   2,196.42x = 3,294.73 × 636.36
4. Step 4: Simplify right side
   2,196.42x = 2,096,619.24
5. Step 5: Solve for x
   x = 2,096,619.24/2,196.42
6. Step 6: Final answer
   x = 954.56