Finding the Fourth Proportional to 10,706.49, 16,061.27 and 3,311.60

Step by Step Solution

1. Step 1: Write the proportion equation
   10,706.49 : 16,061.27 = 3,311.60 : x
2. Step 2: Convert to fraction form
   10,706.49/16,061.27 = 3,311.60/x
3. Step 3: Cross multiply
   10,706.49x = 16,061.27 × 3,311.60
4. Step 4: Simplify right side
   10,706.49x = 53,188,404.87
5. Step 5: Solve for x
   x = 53,188,404.87/10,706.49
6. Step 6: Final answer
   x = 4,967.87