Finding the Fourth Proportional to 10,889.16, 16,328.82 and 3,096.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,889.16 : 16,328.82 = 3,096.12 : x
2. Step 2: Convert to fraction form
   10,889.16/16,328.82 = 3,096.12/x
3. Step 3: Cross multiply
   10,889.16x = 16,328.82 × 3,096.12
4. Step 4: Simplify right side
   10,889.16x = 50,555,986.18
5. Step 5: Solve for x
   x = 50,555,986.18/10,889.16
6. Step 6: Final answer
   x = 4,642.78