Finding the Fourth Proportional to 2,291.63, 3,162.52 and 1,296.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,291.63 : 3,162.52 = 1,296.89 : x
2. Step 2: Convert to fraction form
   2,291.63/3,162.52 = 1,296.89/x
3. Step 3: Cross multiply
   2,291.63x = 3,162.52 × 1,296.89
4. Step 4: Simplify right side
   2,291.63x = 4,101,421.51
5. Step 5: Solve for x
   x = 4,101,421.51/2,291.63
6. Step 6: Final answer
   x = 1,789.74