Finding the Fourth Proportional to 2,291.36, 3,162.11 and 1,296.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,291.36 : 3,162.11 = 1,296.59 : x
2. Step 2: Convert to fraction form
   2,291.36/3,162.11 = 1,296.59/x
3. Step 3: Cross multiply
   2,291.36x = 3,162.11 × 1,296.59
4. Step 4: Simplify right side
   2,291.36x = 4,099,937.91
5. Step 5: Solve for x
   x = 4,099,937.91/2,291.36
6. Step 6: Final answer
   x = 1,789.31