Finding the Fourth Proportional to 10,966.57, 16,452.28 and 5,119.99

Step by Step Solution

1. Step 1: Write the proportion equation
   10,966.57 : 16,452.28 = 5,119.99 : x
2. Step 2: Convert to fraction form
   10,966.57/16,452.28 = 5,119.99/x
3. Step 3: Cross multiply
   10,966.57x = 16,452.28 × 5,119.99
4. Step 4: Simplify right side
   10,966.57x = 84,235,566.89
5. Step 5: Solve for x
   x = 84,235,566.89/10,966.57
6. Step 6: Final answer
   x = 7,681.12