Finding the Fourth Proportional to 2,291.57, 3,162.56 and 1,297.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,291.57 : 3,162.56 = 1,297.02 : x
2. Step 2: Convert to fraction form
   2,291.57/3,162.56 = 1,297.02/x
3. Step 3: Cross multiply
   2,291.57x = 3,162.56 × 1,297.02
4. Step 4: Simplify right side
   2,291.57x = 4,101,916.24
5. Step 5: Solve for x
   x = 4,101,916.24/2,291.57
6. Step 6: Final answer
   x = 1,790.00