Finding the Fourth Proportional to 10,892.14, 16,328.49 and 5,040.70

Step by Step Solution

1. Step 1: Write the proportion equation
   10,892.14 : 16,328.49 = 5,040.70 : x
2. Step 2: Convert to fraction form
   10,892.14/16,328.49 = 5,040.70/x
3. Step 3: Cross multiply
   10,892.14x = 16,328.49 × 5,040.70
4. Step 4: Simplify right side
   10,892.14x = 82,307,019.54
5. Step 5: Solve for x
   x = 82,307,019.54/10,892.14
6. Step 6: Final answer
   x = 7,556.55