Finding the Fourth Proportional to 2,196.80, 3,293.12 and 734.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196.80 : 3,293.12 = 734.91 : x
2. Step 2: Convert to fraction form
   2,196.80/3,293.12 = 734.91/x
3. Step 3: Cross multiply
   2,196.80x = 3,293.12 × 734.91
4. Step 4: Simplify right side
   2,196.80x = 2,420,136.31
5. Step 5: Solve for x
   x = 2,420,136.31/2,196.80
6. Step 6: Final answer
   x = 1,101.66