Finding the Fourth Proportional to 2,133.42, 2,944.03 and 1,189.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,133.42 : 2,944.03 = 1,189.32 : x
2. Step 2: Convert to fraction form
   2,133.42/2,944.03 = 1,189.32/x
3. Step 3: Cross multiply
   2,133.42x = 2,944.03 × 1,189.32
4. Step 4: Simplify right side
   2,133.42x = 3,501,383.43
5. Step 5: Solve for x
   x = 3,501,383.43/2,133.42
6. Step 6: Final answer
   x = 1,641.20