Finding the Fourth Proportional to 2,308.34, 3,185.79 and 1,864.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,308.34 : 3,185.79 = 1,864.82 : x
2. Step 2: Convert to fraction form
   2,308.34/3,185.79 = 1,864.82/x
3. Step 3: Cross multiply
   2,308.34x = 3,185.79 × 1,864.82
4. Step 4: Simplify right side
   2,308.34x = 5,940,924.91
5. Step 5: Solve for x
   x = 5,940,924.91/2,308.34
6. Step 6: Final answer
   x = 2,573.68