Finding the Fourth Proportional to 2,162.22, 3,244.76 and 1,189

Step by Step Solution

1. Step 1: Write the proportion equation
   2,162.22 : 3,244.76 = 1,189 : x
2. Step 2: Convert to fraction form
   2,162.22/3,244.76 = 1,189/x
3. Step 3: Cross multiply
   2,162.22x = 3,244.76 × 1,189
4. Step 4: Simplify right side
   2,162.22x = 3,858,019.64
5. Step 5: Solve for x
   x = 3,858,019.64/2,162.22
6. Step 6: Final answer
   x = 1,784.29