Finding the Fourth Proportional to 2,217.36, 3,059.22 and 1,659.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,217.36 : 3,059.22 = 1,659.84 : x
2. Step 2: Convert to fraction form
   2,217.36/3,059.22 = 1,659.84/x
3. Step 3: Cross multiply
   2,217.36x = 3,059.22 × 1,659.84
4. Step 4: Simplify right side
   2,217.36x = 5,077,815.72
5. Step 5: Solve for x
   x = 5,077,815.72/2,217.36
6. Step 6: Final answer
   x = 2,290.03