Finding the Fourth Proportional to 2,293.42, 3,164.92 and 1,245.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,293.42 : 3,164.92 = 1,245.48 : x
2. Step 2: Convert to fraction form
   2,293.42/3,164.92 = 1,245.48/x
3. Step 3: Cross multiply
   2,293.42x = 3,164.92 × 1,245.48
4. Step 4: Simplify right side
   2,293.42x = 3,941,844.56
5. Step 5: Solve for x
   x = 3,941,844.56/2,293.42
6. Step 6: Final answer
   x = 1,718.76