Finding the Fourth Proportional to 5,002.24, 7,499.28 and 2,082.64

Step by Step Solution

1. Step 1: Write the proportion equation
   5,002.24 : 7,499.28 = 2,082.64 : x
2. Step 2: Convert to fraction form
   5,002.24/7,499.28 = 2,082.64/x
3. Step 3: Cross multiply
   5,002.24x = 7,499.28 × 2,082.64
4. Step 4: Simplify right side
   5,002.24x = 15,618,300.50
5. Step 5: Solve for x
   x = 15,618,300.50/5,002.24
6. Step 6: Final answer
   x = 3,122.26