Finding the Fourth Proportional to 2,194.34, 3,290.82 and 1,098.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,194.34 : 3,290.82 = 1,098.10 : x
2. Step 2: Convert to fraction form
   2,194.34/3,290.82 = 1,098.10/x
3. Step 3: Cross multiply
   2,194.34x = 3,290.82 × 1,098.10
4. Step 4: Simplify right side
   2,194.34x = 3,613,649.44
5. Step 5: Solve for x
   x = 3,613,649.44/2,194.34
6. Step 6: Final answer
   x = 1,646.81