Finding the Fourth Proportional to 10,706.16, 16,061.49 and 3,686.81

Step by Step Solution

1. Step 1: Write the proportion equation
   10,706.16 : 16,061.49 = 3,686.81 : x
2. Step 2: Convert to fraction form
   10,706.16/16,061.49 = 3,686.81/x
3. Step 3: Cross multiply
   10,706.16x = 16,061.49 × 3,686.81
4. Step 4: Simplify right side
   10,706.16x = 59,215,581.64
5. Step 5: Solve for x
   x = 59,215,581.64/10,706.16
6. Step 6: Final answer
   x = 5,530.98