Finding the Fourth Proportional to 10,855.18, 16,281.41 and 3,460.39

Step by Step Solution

1. Step 1: Write the proportion equation
   10,855.18 : 16,281.41 = 3,460.39 : x
2. Step 2: Convert to fraction form
   10,855.18/16,281.41 = 3,460.39/x
3. Step 3: Cross multiply
   10,855.18x = 16,281.41 × 3,460.39
4. Step 4: Simplify right side
   10,855.18x = 56,339,970.34
5. Step 5: Solve for x
   x = 56,339,970.34/10,855.18
6. Step 6: Final answer
   x = 5,190.15