Finding the Fourth Proportional to 10,814.43, 16,219.18 and 4,965.42

Step by Step Solution

1. Step 1: Write the proportion equation
   10,814.43 : 16,219.18 = 4,965.42 : x
2. Step 2: Convert to fraction form
   10,814.43/16,219.18 = 4,965.42/x
3. Step 3: Cross multiply
   10,814.43x = 16,219.18 × 4,965.42
4. Step 4: Simplify right side
   10,814.43x = 80,535,040.76
5. Step 5: Solve for x
   x = 80,535,040.76/10,814.43
6. Step 6: Final answer
   x = 7,447.00