Finding the Fourth Proportional to 2,474.04, 3,710.15 and 830.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,474.04 : 3,710.15 = 830.15 : x
2. Step 2: Convert to fraction form
   2,474.04/3,710.15 = 830.15/x
3. Step 3: Cross multiply
   2,474.04x = 3,710.15 × 830.15
4. Step 4: Simplify right side
   2,474.04x = 3,079,980.02
5. Step 5: Solve for x
   x = 3,079,980.02/2,474.04
6. Step 6: Final answer
   x = 1,244.92