Finding the Fourth Proportional to 2,108.37, 3,162.90 and 792.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,108.37 : 3,162.90 = 792.23 : x
2. Step 2: Convert to fraction form
   2,108.37/3,162.90 = 792.23/x
3. Step 3: Cross multiply
   2,108.37x = 3,162.90 × 792.23
4. Step 4: Simplify right side
   2,108.37x = 2,505,744.27
5. Step 5: Solve for x
   x = 2,505,744.27/2,108.37
6. Step 6: Final answer
   x = 1,188.47