Finding the Fourth Proportional to 2,474.18, 3,710.66 and 830.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,474.18 : 3,710.66 = 830.69 : x
2. Step 2: Convert to fraction form
   2,474.18/3,710.66 = 830.69/x
3. Step 3: Cross multiply
   2,474.18x = 3,710.66 × 830.69
4. Step 4: Simplify right side
   2,474.18x = 3,082,408.16
5. Step 5: Solve for x
   x = 3,082,408.16/2,474.18
6. Step 6: Final answer
   x = 1,245.83