Finding the Fourth Proportional to 2,231.96, 3,349.89 and 1,192.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,231.96 : 3,349.89 = 1,192.79 : x
2. Step 2: Convert to fraction form
   2,231.96/3,349.89 = 1,192.79/x
3. Step 3: Cross multiply
   2,231.96x = 3,349.89 × 1,192.79
4. Step 4: Simplify right side
   2,231.96x = 3,995,723.67
5. Step 5: Solve for x
   x = 3,995,723.67/2,231.96
6. Step 6: Final answer
   x = 1,790.23