Finding the Fourth Proportional to 3,842.94, 5,758.83 and 2,086.46

Step by Step Solution

1. Step 1: Write the proportion equation
   3,842.94 : 5,758.83 = 2,086.46 : x
2. Step 2: Convert to fraction form
   3,842.94/5,758.83 = 2,086.46/x
3. Step 3: Cross multiply
   3,842.94x = 5,758.83 × 2,086.46
4. Step 4: Simplify right side
   3,842.94x = 12,015,539.65
5. Step 5: Solve for x
   x = 12,015,539.65/3,842.94
6. Step 6: Final answer
   x = 3,126.65