Finding the Fourth Proportional to 10,936.37, 16,404.42 and 3,540.67

Step by Step Solution

1. Step 1: Write the proportion equation
   10,936.37 : 16,404.42 = 3,540.67 : x
2. Step 2: Convert to fraction form
   10,936.37/16,404.42 = 3,540.67/x
3. Step 3: Cross multiply
   10,936.37x = 16,404.42 × 3,540.67
4. Step 4: Simplify right side
   10,936.37x = 58,082,637.76
5. Step 5: Solve for x
   x = 58,082,637.76/10,936.37
6. Step 6: Final answer
   x = 5,310.96