Finding the Fourth Proportional to 1,343.27, 1,863.83 and 1,305

Step by Step Solution

1. Step 1: Write the proportion equation
   1,343.27 : 1,863.83 = 1,305 : x
2. Step 2: Convert to fraction form
   1,343.27/1,863.83 = 1,305/x
3. Step 3: Cross multiply
   1,343.27x = 1,863.83 × 1,305
4. Step 4: Simplify right side
   1,343.27x = 2,432,301.41
5. Step 5: Solve for x
   x = 2,432,301.41/1,343.27
6. Step 6: Final answer
   x = 1,810.73