Finding the Fourth Proportional to 10,855.05, 16,282.38 and 3,459.39

Step by Step Solution

1. Step 1: Write the proportion equation
   10,855.05 : 16,282.38 = 3,459.39 : x
2. Step 2: Convert to fraction form
   10,855.05/16,282.38 = 3,459.39/x
3. Step 3: Cross multiply
   10,855.05x = 16,282.38 × 3,459.39
4. Step 4: Simplify right side
   10,855.05x = 56,327,102.55
5. Step 5: Solve for x
   x = 56,327,102.55/10,855.05
6. Step 6: Final answer
   x = 5,189.02