Finding the Fourth Proportional to 2,291.67, 3,162.51 and 1,243.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,291.67 : 3,162.51 = 1,243.71 : x
2. Step 2: Convert to fraction form
   2,291.67/3,162.51 = 1,243.71/x
3. Step 3: Cross multiply
   2,291.67x = 3,162.51 × 1,243.71
4. Step 4: Simplify right side
   2,291.67x = 3,933,245.31
5. Step 5: Solve for x
   x = 3,933,245.31/2,291.67
6. Step 6: Final answer
   x = 1,716.32