Finding the Fourth Proportional to 10,981.04, 16,476.24 and 7,284.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,981.04 : 16,476.24 = 7,284.56 : x
2. Step 2: Convert to fraction form
   10,981.04/16,476.24 = 7,284.56/x
3. Step 3: Cross multiply
   10,981.04x = 16,476.24 × 7,284.56
4. Step 4: Simplify right side
   10,981.04x = 120,022,158.85
5. Step 5: Solve for x
   x = 120,022,158.85/10,981.04
6. Step 6: Final answer
   x = 10,929.94