Finding the Fourth Proportional to 2,474.00, 3,711.42 and 830.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,474.00 : 3,711.42 = 830.70 : x
2. Step 2: Convert to fraction form
   2,474.00/3,711.42 = 830.70/x
3. Step 3: Cross multiply
   2,474.00x = 3,711.42 × 830.70
4. Step 4: Simplify right side
   2,474.00x = 3,083,076.59
5. Step 5: Solve for x
   x = 3,083,076.59/2,474.00
6. Step 6: Final answer
   x = 1,246.19