Finding the Fourth Proportional to 2,293.20, 3,164.61 and 1,245.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,293.20 : 3,164.61 = 1,245.27 : x
2. Step 2: Convert to fraction form
   2,293.20/3,164.61 = 1,245.27/x
3. Step 3: Cross multiply
   2,293.20x = 3,164.61 × 1,245.27
4. Step 4: Simplify right side
   2,293.20x = 3,940,793.89
5. Step 5: Solve for x
   x = 3,940,793.89/2,293.20
6. Step 6: Final answer
   x = 1,718.47