Finding the Fourth Proportional to 8,632.68, 12,949.72 and 3,636.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,632.68 : 12,949.72 = 3,636.50 : x
2. Step 2: Convert to fraction form
   8,632.68/12,949.72 = 3,636.50/x
3. Step 3: Cross multiply
   8,632.68x = 12,949.72 × 3,636.50
4. Step 4: Simplify right side
   8,632.68x = 47,091,603.40
5. Step 5: Solve for x
   x = 47,091,603.40/8,632.68
6. Step 6: Final answer
   x = 5,455.04