Finding the Fourth Proportional to 2,097.38, 3,146.75 and 636.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,097.38 : 3,146.75 = 636.53 : x
2. Step 2: Convert to fraction form
   2,097.38/3,146.75 = 636.53/x
3. Step 3: Cross multiply
   2,097.38x = 3,146.75 × 636.53
4. Step 4: Simplify right side
   2,097.38x = 2,002,996.05
5. Step 5: Solve for x
   x = 2,002,996.05/2,097.38
6. Step 6: Final answer
   x = 955.00