Finding the Fourth Proportional to 2,473.83, 3,710.94 and 830.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,473.83 : 3,710.94 = 830.37 : x
2. Step 2: Convert to fraction form
   2,473.83/3,710.94 = 830.37/x
3. Step 3: Cross multiply
   2,473.83x = 3,710.94 × 830.37
4. Step 4: Simplify right side
   2,473.83x = 3,081,453.25
5. Step 5: Solve for x
   x = 3,081,453.25/2,473.83
6. Step 6: Final answer
   x = 1,245.62