Finding the Fourth Proportional to 1,150.17, 1,724.17 and 636.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,150.17 : 1,724.17 = 636.09 : x
2. Step 2: Convert to fraction form
   1,150.17/1,724.17 = 636.09/x
3. Step 3: Cross multiply
   1,150.17x = 1,724.17 × 636.09
4. Step 4: Simplify right side
   1,150.17x = 1,096,727.30
5. Step 5: Solve for x
   x = 1,096,727.30/1,150.17
6. Step 6: Final answer
   x = 953.53