Finding the Fourth Proportional to 2,473.82, 3,710.93 and 830.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,473.82 : 3,710.93 = 830.42 : x
2. Step 2: Convert to fraction form
   2,473.82/3,710.93 = 830.42/x
3. Step 3: Cross multiply
   2,473.82x = 3,710.93 × 830.42
4. Step 4: Simplify right side
   2,473.82x = 3,081,607.78
5. Step 5: Solve for x
   x = 3,081,607.78/2,473.82
6. Step 6: Final answer
   x = 1,245.69