Finding the Fourth Proportional to 2,196.22, 3,284.30 and 1,641.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196.22 : 3,284.30 = 1,641.32 : x
2. Step 2: Convert to fraction form
   2,196.22/3,284.30 = 1,641.32/x
3. Step 3: Cross multiply
   2,196.22x = 3,284.30 × 1,641.32
4. Step 4: Simplify right side
   2,196.22x = 5,390,587.28
5. Step 5: Solve for x
   x = 5,390,587.28/2,196.22
6. Step 6: Final answer
   x = 2,454.48