Finding the Fourth Proportional to 10,709.82, 16,061.65 and 3,689.55

Step by Step Solution

1. Step 1: Write the proportion equation
   10,709.82 : 16,061.65 = 3,689.55 : x
2. Step 2: Convert to fraction form
   10,709.82/16,061.65 = 3,689.55/x
3. Step 3: Cross multiply
   10,709.82x = 16,061.65 × 3,689.55
4. Step 4: Simplify right side
   10,709.82x = 59,260,251.53
5. Step 5: Solve for x
   x = 59,260,251.53/10,709.82
6. Step 6: Final answer
   x = 5,533.26