Finding the Fourth Proportional to 2,293.31, 3,164.77 and 1,245.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,293.31 : 3,164.77 = 1,245.38 : x
2. Step 2: Convert to fraction form
   2,293.31/3,164.77 = 1,245.38/x
3. Step 3: Cross multiply
   2,293.31x = 3,164.77 × 1,245.38
4. Step 4: Simplify right side
   2,293.31x = 3,941,327.00
5. Step 5: Solve for x
   x = 3,941,327.00/2,293.31
6. Step 6: Final answer
   x = 1,718.62