Finding the Fourth Proportional to 2,293.47, 3,164.94 and 1,245.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,293.47 : 3,164.94 = 1,245.54 : x
2. Step 2: Convert to fraction form
   2,293.47/3,164.94 = 1,245.54/x
3. Step 3: Cross multiply
   2,293.47x = 3,164.94 × 1,245.54
4. Step 4: Simplify right side
   2,293.47x = 3,942,059.37
5. Step 5: Solve for x
   x = 3,942,059.37/2,293.47
6. Step 6: Final answer
   x = 1,718.82