Finding the Fourth Proportional to 2,315.83, 3,195.82 and 1,321.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,315.83 : 3,195.82 = 1,321.08 : x
2. Step 2: Convert to fraction form
   2,315.83/3,195.82 = 1,321.08/x
3. Step 3: Cross multiply
   2,315.83x = 3,195.82 × 1,321.08
4. Step 4: Simplify right side
   2,315.83x = 4,221,933.89
5. Step 5: Solve for x
   x = 4,221,933.89/2,315.83
6. Step 6: Final answer
   x = 1,823.08