Finding the Fourth Proportional to 2,097.28, 3,146.34 and 636.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,097.28 : 3,146.34 = 636.52 : x
2. Step 2: Convert to fraction form
   2,097.28/3,146.34 = 636.52/x
3. Step 3: Cross multiply
   2,097.28x = 3,146.34 × 636.52
4. Step 4: Simplify right side
   2,097.28x = 2,002,708.34
5. Step 5: Solve for x
   x = 2,002,708.34/2,097.28
6. Step 6: Final answer
   x = 954.91