Finding the Fourth Proportional to 1,968.89, 2,717.28 and 1,305.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,968.89 : 2,717.28 = 1,305.50 : x
2. Step 2: Convert to fraction form
   1,968.89/2,717.28 = 1,305.50/x
3. Step 3: Cross multiply
   1,968.89x = 2,717.28 × 1,305.50
4. Step 4: Simplify right side
   1,968.89x = 3,547,395.45
5. Step 5: Solve for x
   x = 3,547,395.45/1,968.89
6. Step 6: Final answer
   x = 1,801.73