Finding the Fourth Proportional to 2,331.50, 3,217.50 and 1,283.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,331.50 : 3,217.50 = 1,283.59 : x
2. Step 2: Convert to fraction form
   2,331.50/3,217.50 = 1,283.59/x
3. Step 3: Cross multiply
   2,331.50x = 3,217.50 × 1,283.59
4. Step 4: Simplify right side
   2,331.50x = 4,129,950.83
5. Step 5: Solve for x
   x = 4,129,950.83/2,331.50
6. Step 6: Final answer
   x = 1,771.37