Finding the Fourth Proportional to 2,133.91, 2,944.56 and 1,189.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,133.91 : 2,944.56 = 1,189.59 : x
2. Step 2: Convert to fraction form
   2,133.91/2,944.56 = 1,189.59/x
3. Step 3: Cross multiply
   2,133.91x = 2,944.56 × 1,189.59
4. Step 4: Simplify right side
   2,133.91x = 3,502,819.13
5. Step 5: Solve for x
   x = 3,502,819.13/2,133.91
6. Step 6: Final answer
   x = 1,641.50