Finding the Fourth Proportional to 2,196.16, 3,294.73 and 636.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196.16 : 3,294.73 = 636.18 : x
2. Step 2: Convert to fraction form
   2,196.16/3,294.73 = 636.18/x
3. Step 3: Cross multiply
   2,196.16x = 3,294.73 × 636.18
4. Step 4: Simplify right side
   2,196.16x = 2,096,035.46
5. Step 5: Solve for x
   x = 2,096,035.46/2,196.16
6. Step 6: Final answer
   x = 954.41