Finding the Fourth Proportional to 2,331.76, 3,217.82 and 1,283.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,331.76 : 3,217.82 = 1,283.82 : x
2. Step 2: Convert to fraction form
   2,331.76/3,217.82 = 1,283.82/x
3. Step 3: Cross multiply
   2,331.76x = 3,217.82 × 1,283.82
4. Step 4: Simplify right side
   2,331.76x = 4,131,101.67
5. Step 5: Solve for x
   x = 4,131,101.67/2,331.76
6. Step 6: Final answer
   x = 1,771.67