Finding the Fourth Proportional to 7,144.16, 10,716.72 and 2,984.48

Step by Step Solution

1. Step 1: Write the proportion equation
   7,144.16 : 10,716.72 = 2,984.48 : x
2. Step 2: Convert to fraction form
   7,144.16/10,716.72 = 2,984.48/x
3. Step 3: Cross multiply
   7,144.16x = 10,716.72 × 2,984.48
4. Step 4: Simplify right side
   7,144.16x = 31,983,836.51
5. Step 5: Solve for x
   x = 31,983,836.51/7,144.16
6. Step 6: Final answer
   x = 4,476.92