Finding the Fourth Proportional to 2,291.24, 3,162.06 and 1,296.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,291.24 : 3,162.06 = 1,296.56 : x
2. Step 2: Convert to fraction form
   2,291.24/3,162.06 = 1,296.56/x
3. Step 3: Cross multiply
   2,291.24x = 3,162.06 × 1,296.56
4. Step 4: Simplify right side
   2,291.24x = 4,099,800.51
5. Step 5: Solve for x
   x = 4,099,800.51/2,291.24
6. Step 6: Final answer
   x = 1,789.34