Finding the Fourth Proportional to 2,382.62, 3,287.90 and 1,305.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,382.62 : 3,287.90 = 1,305.83 : x
2. Step 2: Convert to fraction form
   2,382.62/3,287.90 = 1,305.83/x
3. Step 3: Cross multiply
   2,382.62x = 3,287.90 × 1,305.83
4. Step 4: Simplify right side
   2,382.62x = 4,293,445.04
5. Step 5: Solve for x
   x = 4,293,445.04/2,382.62
6. Step 6: Final answer
   x = 1,801.99