Finding the Fourth Proportional to 2,485.24, 3,727.83 and 636.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,485.24 : 3,727.83 = 636.34 : x
2. Step 2: Convert to fraction form
   2,485.24/3,727.83 = 636.34/x
3. Step 3: Cross multiply
   2,485.24x = 3,727.83 × 636.34
4. Step 4: Simplify right side
   2,485.24x = 2,372,158.02
5. Step 5: Solve for x
   x = 2,372,158.02/2,485.24
6. Step 6: Final answer
   x = 954.50