Finding the Fourth Proportional to 10,855.69, 16,281.57 and 3,458.46

Step by Step Solution

1. Step 1: Write the proportion equation
   10,855.69 : 16,281.57 = 3,458.46 : x
2. Step 2: Convert to fraction form
   10,855.69/16,281.57 = 3,458.46/x
3. Step 3: Cross multiply
   10,855.69x = 16,281.57 × 3,458.46
4. Step 4: Simplify right side
   10,855.69x = 56,309,232.61
5. Step 5: Solve for x
   x = 56,309,232.61/10,855.69
6. Step 6: Final answer
   x = 5,187.07