Finding the Fourth Proportional to 10,936.05, 16,403.94 and 3,540.33

Step by Step Solution

1. Step 1: Write the proportion equation
   10,936.05 : 16,403.94 = 3,540.33 : x
2. Step 2: Convert to fraction form
   10,936.05/16,403.94 = 3,540.33/x
3. Step 3: Cross multiply
   10,936.05x = 16,403.94 × 3,540.33
4. Step 4: Simplify right side
   10,936.05x = 58,075,360.90
5. Step 5: Solve for x
   x = 58,075,360.90/10,936.05
6. Step 6: Final answer
   x = 5,310.45