Finding the Fourth Proportional to 2,196.39, 3,294.10 and 636.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196.39 : 3,294.10 = 636.05 : x
2. Step 2: Convert to fraction form
   2,196.39/3,294.10 = 636.05/x
3. Step 3: Cross multiply
   2,196.39x = 3,294.10 × 636.05
4. Step 4: Simplify right side
   2,196.39x = 2,095,221.34
5. Step 5: Solve for x
   x = 2,095,221.34/2,196.39
6. Step 6: Final answer
   x = 953.94