Finding the Fourth Proportional to 2,217.89, 3,325.74 and 1,293.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,217.89 : 3,325.74 = 1,293.68 : x
2. Step 2: Convert to fraction form
   2,217.89/3,325.74 = 1,293.68/x
3. Step 3: Cross multiply
   2,217.89x = 3,325.74 × 1,293.68
4. Step 4: Simplify right side
   2,217.89x = 4,302,443.32
5. Step 5: Solve for x
   x = 4,302,443.32/2,217.89
6. Step 6: Final answer
   x = 1,939.88