Finding the Fourth Proportional to 2,196.73, 3,294.97 and 1,581.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196.73 : 3,294.97 = 1,581.53 : x
2. Step 2: Convert to fraction form
   2,196.73/3,294.97 = 1,581.53/x
3. Step 3: Cross multiply
   2,196.73x = 3,294.97 × 1,581.53
4. Step 4: Simplify right side
   2,196.73x = 5,211,093.90
5. Step 5: Solve for x
   x = 5,211,093.90/2,196.73
6. Step 6: Final answer
   x = 2,372.21