Finding the Fourth Proportional to 10,709.70, 16,061.46 and 3,689.43

Step by Step Solution

1. Step 1: Write the proportion equation
   10,709.70 : 16,061.46 = 3,689.43 : x
2. Step 2: Convert to fraction form
   10,709.70/16,061.46 = 3,689.43/x
3. Step 3: Cross multiply
   10,709.70x = 16,061.46 × 3,689.43
4. Step 4: Simplify right side
   10,709.70x = 59,257,632.37
5. Step 5: Solve for x
   x = 59,257,632.37/10,709.70
6. Step 6: Final answer
   x = 5,533.08