Finding the Fourth Proportional to 2,097.24, 3,145.50 and 636.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,097.24 : 3,145.50 = 636.04 : x
2. Step 2: Convert to fraction form
   2,097.24/3,145.50 = 636.04/x
3. Step 3: Cross multiply
   2,097.24x = 3,145.50 × 636.04
4. Step 4: Simplify right side
   2,097.24x = 2,000,663.82
5. Step 5: Solve for x
   x = 2,000,663.82/2,097.24
6. Step 6: Final answer
   x = 953.95