Finding the Fourth Proportional to 2,166.28, 3,245.76 and 1,707.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,166.28 : 3,245.76 = 1,707.04 : x
2. Step 2: Convert to fraction form
   2,166.28/3,245.76 = 1,707.04/x
3. Step 3: Cross multiply
   2,166.28x = 3,245.76 × 1,707.04
4. Step 4: Simplify right side
   2,166.28x = 5,540,642.15
5. Step 5: Solve for x
   x = 5,540,642.15/2,166.28
6. Step 6: Final answer
   x = 2,557.68