Finding the Fourth Proportional to 2,180.56, 3,268.86 and 793.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,180.56 : 3,268.86 = 793.30 : x
2. Step 2: Convert to fraction form
   2,180.56/3,268.86 = 793.30/x
3. Step 3: Cross multiply
   2,180.56x = 3,268.86 × 793.30
4. Step 4: Simplify right side
   2,180.56x = 2,593,186.64
5. Step 5: Solve for x
   x = 2,593,186.64/2,180.56
6. Step 6: Final answer
   x = 1,189.23