Finding the Fourth Proportional to 5,082.72, 7,626.24 and 2,309.28

Step by Step Solution

1. Step 1: Write the proportion equation
   5,082.72 : 7,626.24 = 2,309.28 : x
2. Step 2: Convert to fraction form
   5,082.72/7,626.24 = 2,309.28/x
3. Step 3: Cross multiply
   5,082.72x = 7,626.24 × 2,309.28
4. Step 4: Simplify right side
   5,082.72x = 17,611,123.51
5. Step 5: Solve for x
   x = 17,611,123.51/5,082.72
6. Step 6: Final answer
   x = 3,464.90