Finding the Fourth Proportional to 2,196.21, 3,296.88 and 1,734.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196.21 : 3,296.88 = 1,734.30 : x
2. Step 2: Convert to fraction form
   2,196.21/3,296.88 = 1,734.30/x
3. Step 3: Cross multiply
   2,196.21x = 3,296.88 × 1,734.30
4. Step 4: Simplify right side
   2,196.21x = 5,717,778.98
5. Step 5: Solve for x
   x = 5,717,778.98/2,196.21
6. Step 6: Final answer
   x = 2,603.48