Finding the Fourth Proportional to 2,836.35, 3,914.59 and 2,042.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,836.35 : 3,914.59 = 2,042.31 : x
2. Step 2: Convert to fraction form
   2,836.35/3,914.59 = 2,042.31/x
3. Step 3: Cross multiply
   2,836.35x = 3,914.59 × 2,042.31
4. Step 4: Simplify right side
   2,836.35x = 7,994,786.73
5. Step 5: Solve for x
   x = 7,994,786.73/2,836.35
6. Step 6: Final answer
   x = 2,818.69