Finding the Fourth Proportional to 11,078.65, 16,614.39 and 3,681.12

Step by Step Solution

1. Step 1: Write the proportion equation
   11,078.65 : 16,614.39 = 3,681.12 : x
2. Step 2: Convert to fraction form
   11,078.65/16,614.39 = 3,681.12/x
3. Step 3: Cross multiply
   11,078.65x = 16,614.39 × 3,681.12
4. Step 4: Simplify right side
   11,078.65x = 61,159,563.32
5. Step 5: Solve for x
   x = 61,159,563.32/11,078.65
6. Step 6: Final answer
   x = 5,520.49