Finding the Fourth Proportional to 7,192.38, 10,789.94 and 2,809.56

Step by Step Solution

1. Step 1: Write the proportion equation
   7,192.38 : 10,789.94 = 2,809.56 : x
2. Step 2: Convert to fraction form
   7,192.38/10,789.94 = 2,809.56/x
3. Step 3: Cross multiply
   7,192.38x = 10,789.94 × 2,809.56
4. Step 4: Simplify right side
   7,192.38x = 30,314,983.83
5. Step 5: Solve for x
   x = 30,314,983.83/7,192.38
6. Step 6: Final answer
   x = 4,214.88