Finding the Fourth Proportional to 10,861.18, 16,289.85 and 3,069.82

Step by Step Solution

1. Step 1: Write the proportion equation
   10,861.18 : 16,289.85 = 3,069.82 : x
2. Step 2: Convert to fraction form
   10,861.18/16,289.85 = 3,069.82/x
3. Step 3: Cross multiply
   10,861.18x = 16,289.85 × 3,069.82
4. Step 4: Simplify right side
   10,861.18x = 50,006,907.33
5. Step 5: Solve for x
   x = 50,006,907.33/10,861.18
6. Step 6: Final answer
   x = 4,604.19