Finding the Fourth Proportional to 5,002.29, 7,499.37 and 2,082.78

Step by Step Solution

1. Step 1: Write the proportion equation
   5,002.29 : 7,499.37 = 2,082.78 : x
2. Step 2: Convert to fraction form
   5,002.29/7,499.37 = 2,082.78/x
3. Step 3: Cross multiply
   5,002.29x = 7,499.37 × 2,082.78
4. Step 4: Simplify right side
   5,002.29x = 15,619,537.85
5. Step 5: Solve for x
   x = 15,619,537.85/5,002.29
6. Step 6: Final answer
   x = 3,122.48