Finding the Fourth Proportional to 2,291.02, 3,161.68 and 1,296.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,291.02 : 3,161.68 = 1,296.27 : x
2. Step 2: Convert to fraction form
   2,291.02/3,161.68 = 1,296.27/x
3. Step 3: Cross multiply
   2,291.02x = 3,161.68 × 1,296.27
4. Step 4: Simplify right side
   2,291.02x = 4,098,387.69
5. Step 5: Solve for x
   x = 4,098,387.69/2,291.02
6. Step 6: Final answer
   x = 1,788.89