Finding the Fourth Proportional to 2,016.57, 3,024.09 and 783.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,016.57 : 3,024.09 = 783.83 : x
2. Step 2: Convert to fraction form
   2,016.57/3,024.09 = 783.83/x
3. Step 3: Cross multiply
   2,016.57x = 3,024.09 × 783.83
4. Step 4: Simplify right side
   2,016.57x = 2,370,372.46
5. Step 5: Solve for x
   x = 2,370,372.46/2,016.57
6. Step 6: Final answer
   x = 1,175.45