Finding the Fourth Proportional to 2,109.32, 3,164.33 and 793.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,109.32 : 3,164.33 = 793.18 : x
2. Step 2: Convert to fraction form
   2,109.32/3,164.33 = 793.18/x
3. Step 3: Cross multiply
   2,109.32x = 3,164.33 × 793.18
4. Step 4: Simplify right side
   2,109.32x = 2,509,871.39
5. Step 5: Solve for x
   x = 2,509,871.39/2,109.32
6. Step 6: Final answer
   x = 1,189.89