Finding the Fourth Proportional to 2,016.22, 3,024.66 and 783.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,016.22 : 3,024.66 = 783.61 : x
2. Step 2: Convert to fraction form
   2,016.22/3,024.66 = 783.61/x
3. Step 3: Cross multiply
   2,016.22x = 3,024.66 × 783.61
4. Step 4: Simplify right side
   2,016.22x = 2,370,153.82
5. Step 5: Solve for x
   x = 2,370,153.82/2,016.22
6. Step 6: Final answer
   x = 1,175.54