Finding the Fourth Proportional to 7,192.81, 10,789.83 and 2,196.30

Step by Step Solution

1. Step 1: Write the proportion equation
   7,192.81 : 10,789.83 = 2,196.30 : x
2. Step 2: Convert to fraction form
   7,192.81/10,789.83 = 2,196.30/x
3. Step 3: Cross multiply
   7,192.81x = 10,789.83 × 2,196.30
4. Step 4: Simplify right side
   7,192.81x = 23,697,744.09
5. Step 5: Solve for x
   x = 23,697,744.09/7,192.81
6. Step 6: Final answer
   x = 3,294.65