Finding the Fourth Proportional to 2,196.96, 3,292.53 and 1,316.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196.96 : 3,292.53 = 1,316.62 : x
2. Step 2: Convert to fraction form
   2,196.96/3,292.53 = 1,316.62/x
3. Step 3: Cross multiply
   2,196.96x = 3,292.53 × 1,316.62
4. Step 4: Simplify right side
   2,196.96x = 4,335,010.85
5. Step 5: Solve for x
   x = 4,335,010.85/2,196.96
6. Step 6: Final answer
   x = 1,973.19