Finding the Fourth Proportional to 2,305.38, 3,181.52 and 1,310.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,305.38 : 3,181.52 = 1,310.83 : x
2. Step 2: Convert to fraction form
   2,305.38/3,181.52 = 1,310.83/x
3. Step 3: Cross multiply
   2,305.38x = 3,181.52 × 1,310.83
4. Step 4: Simplify right side
   2,305.38x = 4,170,431.86
5. Step 5: Solve for x
   x = 4,170,431.86/2,305.38
6. Step 6: Final answer
   x = 1,809.00