Finding the Fourth Proportional to 10,814.21, 16,207.18 and 5,544.75

Step by Step Solution

1. Step 1: Write the proportion equation
   10,814.21 : 16,207.18 = 5,544.75 : x
2. Step 2: Convert to fraction form
   10,814.21/16,207.18 = 5,544.75/x
3. Step 3: Cross multiply
   10,814.21x = 16,207.18 × 5,544.75
4. Step 4: Simplify right side
   10,814.21x = 89,864,761.31
5. Step 5: Solve for x
   x = 89,864,761.31/10,814.21
6. Step 6: Final answer
   x = 8,309.88