Finding the Fourth Proportional to 2,016.23, 3,025.43 and 783.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,016.23 : 3,025.43 = 783.68 : x
2. Step 2: Convert to fraction form
   2,016.23/3,025.43 = 783.68/x
3. Step 3: Cross multiply
   2,016.23x = 3,025.43 × 783.68
4. Step 4: Simplify right side
   2,016.23x = 2,370,952.88
5. Step 5: Solve for x
   x = 2,370,952.88/2,016.23
6. Step 6: Final answer
   x = 1,175.94