Finding the Fourth Proportional to 8,633.82, 12,939.89 and 3,697.68

Step by Step Solution

1. Step 1: Write the proportion equation
   8,633.82 : 12,939.89 = 3,697.68 : x
2. Step 2: Convert to fraction form
   8,633.82/12,939.89 = 3,697.68/x
3. Step 3: Cross multiply
   8,633.82x = 12,939.89 × 3,697.68
4. Step 4: Simplify right side
   8,633.82x = 47,847,553.97
5. Step 5: Solve for x
   x = 47,847,553.97/8,633.82
6. Step 6: Final answer
   x = 5,541.88