Finding the Fourth Proportional to 2,196.49, 3,294.90 and 636.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196.49 : 3,294.90 = 636.51 : x
2. Step 2: Convert to fraction form
   2,196.49/3,294.90 = 636.51/x
3. Step 3: Cross multiply
   2,196.49x = 3,294.90 × 636.51
4. Step 4: Simplify right side
   2,196.49x = 2,097,250.95
5. Step 5: Solve for x
   x = 2,097,250.95/2,196.49
6. Step 6: Final answer
   x = 954.82