Finding the Fourth Proportional to 10,814.18, 16,218.83 and 4,965.17

Step by Step Solution

1. Step 1: Write the proportion equation
   10,814.18 : 16,218.83 = 4,965.17 : x
2. Step 2: Convert to fraction form
   10,814.18/16,218.83 = 4,965.17/x
3. Step 3: Cross multiply
   10,814.18x = 16,218.83 × 4,965.17
4. Step 4: Simplify right side
   10,814.18x = 80,529,179.47
5. Step 5: Solve for x
   x = 80,529,179.47/10,814.18
6. Step 6: Final answer
   x = 7,446.63