Finding the Fourth Proportional to 6,814.05, 10,221.18 and 1,816.53

Step by Step Solution

1. Step 1: Write the proportion equation
   6,814.05 : 10,221.18 = 1,816.53 : x
2. Step 2: Convert to fraction form
   6,814.05/10,221.18 = 1,816.53/x
3. Step 3: Cross multiply
   6,814.05x = 10,221.18 × 1,816.53
4. Step 4: Simplify right side
   6,814.05x = 18,567,034.96
5. Step 5: Solve for x
   x = 18,567,034.96/6,814.05
6. Step 6: Final answer
   x = 2,724.82