Finding the Fourth Proportional to 2,016.38, 3,023.79 and 783.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,016.38 : 3,023.79 = 783.63 : x
2. Step 2: Convert to fraction form
   2,016.38/3,023.79 = 783.63/x
3. Step 3: Cross multiply
   2,016.38x = 3,023.79 × 783.63
4. Step 4: Simplify right side
   2,016.38x = 2,369,532.56
5. Step 5: Solve for x
   x = 2,369,532.56/2,016.38
6. Step 6: Final answer
   x = 1,175.14