Finding the Fourth Proportional to 16,040.72, 24,064.72 and 7,278.14

Step by Step Solution

1. Step 1: Write the proportion equation
   16,040.72 : 24,064.72 = 7,278.14 : x
2. Step 2: Convert to fraction form
   16,040.72/24,064.72 = 7,278.14/x
3. Step 3: Cross multiply
   16,040.72x = 24,064.72 × 7,278.14
4. Step 4: Simplify right side
   16,040.72x = 175,146,401.22
5. Step 5: Solve for x
   x = 175,146,401.22/16,040.72
6. Step 6: Final answer
   x = 10,918.86