Finding the Fourth Proportional to 2,196.88, 3,294.93 and 636.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196.88 : 3,294.93 = 636.51 : x
2. Step 2: Convert to fraction form
   2,196.88/3,294.93 = 636.51/x
3. Step 3: Cross multiply
   2,196.88x = 3,294.93 × 636.51
4. Step 4: Simplify right side
   2,196.88x = 2,097,255.89
5. Step 5: Solve for x
   x = 2,097,255.89/2,196.88
6. Step 6: Final answer
   x = 954.65