Finding the Fourth Proportional to 2,196.18, 3,293.59 and 1,155.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196.18 : 3,293.59 = 1,155.61 : x
2. Step 2: Convert to fraction form
   2,196.18/3,293.59 = 1,155.61/x
3. Step 3: Cross multiply
   2,196.18x = 3,293.59 × 1,155.61
4. Step 4: Simplify right side
   2,196.18x = 3,806,105.54
5. Step 5: Solve for x
   x = 3,806,105.54/2,196.18
6. Step 6: Final answer
   x = 1,733.06