Finding the Fourth Proportional to 7,196.63, 10,796.31 and 2,813.81

Step by Step Solution

1. Step 1: Write the proportion equation
   7,196.63 : 10,796.31 = 2,813.81 : x
2. Step 2: Convert to fraction form
   7,196.63/10,796.31 = 2,813.81/x
3. Step 3: Cross multiply
   7,196.63x = 10,796.31 × 2,813.81
4. Step 4: Simplify right side
   7,196.63x = 30,378,792.03
5. Step 5: Solve for x
   x = 30,378,792.03/7,196.63
6. Step 6: Final answer
   x = 4,221.25