Finding the Fourth Proportional to 10,866.28, 16,300.29 and 3,471.79

Step by Step Solution

1. Step 1: Write the proportion equation
   10,866.28 : 16,300.29 = 3,471.79 : x
2. Step 2: Convert to fraction form
   10,866.28/16,300.29 = 3,471.79/x
3. Step 3: Cross multiply
   10,866.28x = 16,300.29 × 3,471.79
4. Step 4: Simplify right side
   10,866.28x = 56,591,183.82
5. Step 5: Solve for x
   x = 56,591,183.82/10,866.28
6. Step 6: Final answer
   x = 5,207.96