Finding the Fourth Proportional to 2,196.97, 3,295.35 and 1,581.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196.97 : 3,295.35 = 1,581.77 : x
2. Step 2: Convert to fraction form
   2,196.97/3,295.35 = 1,581.77/x
3. Step 3: Cross multiply
   2,196.97x = 3,295.35 × 1,581.77
4. Step 4: Simplify right side
   2,196.97x = 5,212,485.77
5. Step 5: Solve for x
   x = 5,212,485.77/2,196.97
6. Step 6: Final answer
   x = 2,372.58