Finding the Fourth Proportional to 10,866.56, 16,299.52 and 3,471.48

Step by Step Solution

1. Step 1: Write the proportion equation
   10,866.56 : 16,299.52 = 3,471.48 : x
2. Step 2: Convert to fraction form
   10,866.56/16,299.52 = 3,471.48/x
3. Step 3: Cross multiply
   10,866.56x = 16,299.52 × 3,471.48
4. Step 4: Simplify right side
   10,866.56x = 56,583,457.69
5. Step 5: Solve for x
   x = 56,583,457.69/10,866.56
6. Step 6: Final answer
   x = 5,207.12