Finding the Fourth Proportional to 2,016.29, 2,783.77 and 1,308.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,016.29 : 2,783.77 = 1,308.45 : x
2. Step 2: Convert to fraction form
   2,016.29/2,783.77 = 1,308.45/x
3. Step 3: Cross multiply
   2,016.29x = 2,783.77 × 1,308.45
4. Step 4: Simplify right side
   2,016.29x = 3,642,431.02
5. Step 5: Solve for x
   x = 3,642,431.02/2,016.29
6. Step 6: Final answer
   x = 1,806.50