Finding the Fourth Proportional to 10,689.65, 16,034.69 and 3,669.62

Step by Step Solution

1. Step 1: Write the proportion equation
   10,689.65 : 16,034.69 = 3,669.62 : x
2. Step 2: Convert to fraction form
   10,689.65/16,034.69 = 3,669.62/x
3. Step 3: Cross multiply
   10,689.65x = 16,034.69 × 3,669.62
4. Step 4: Simplify right side
   10,689.65x = 58,841,219.12
5. Step 5: Solve for x
   x = 58,841,219.12/10,689.65
6. Step 6: Final answer
   x = 5,504.50