Finding the Fourth Proportional to 2,293.26, 3,164.72 and 1,245.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,293.26 : 3,164.72 = 1,245.33 : x
2. Step 2: Convert to fraction form
   2,293.26/3,164.72 = 1,245.33/x
3. Step 3: Cross multiply
   2,293.26x = 3,164.72 × 1,245.33
4. Step 4: Simplify right side
   2,293.26x = 3,941,114.53
5. Step 5: Solve for x
   x = 3,941,114.53/2,293.26
6. Step 6: Final answer
   x = 1,718.56