Finding the Fourth Proportional to 7,696.05, 10,629.31 and 5,173.79

Step by Step Solution

1. Step 1: Write the proportion equation
   7,696.05 : 10,629.31 = 5,173.79 : x
2. Step 2: Convert to fraction form
   7,696.05/10,629.31 = 5,173.79/x
3. Step 3: Cross multiply
   7,696.05x = 10,629.31 × 5,173.79
4. Step 4: Simplify right side
   7,696.05x = 54,993,817.78
5. Step 5: Solve for x
   x = 54,993,817.78/7,696.05
6. Step 6: Final answer
   x = 7,145.72