Finding the Fourth Proportional to 2,217.24, 3,323.34 and 1,667.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,217.24 : 3,323.34 = 1,667.70 : x
2. Step 2: Convert to fraction form
   2,217.24/3,323.34 = 1,667.70/x
3. Step 3: Cross multiply
   2,217.24x = 3,323.34 × 1,667.70
4. Step 4: Simplify right side
   2,217.24x = 5,542,334.12
5. Step 5: Solve for x
   x = 5,542,334.12/2,217.24
6. Step 6: Final answer
   x = 2,499.65