Finding the Fourth Proportional to 10,692.78, 16,040.49 and 3,674.22

Step by Step Solution

1. Step 1: Write the proportion equation
   10,692.78 : 16,040.49 = 3,674.22 : x
2. Step 2: Convert to fraction form
   10,692.78/16,040.49 = 3,674.22/x
3. Step 3: Cross multiply
   10,692.78x = 16,040.49 × 3,674.22
4. Step 4: Simplify right side
   10,692.78x = 58,936,289.17
5. Step 5: Solve for x
   x = 58,936,289.17/10,692.78
6. Step 6: Final answer
   x = 5,511.78