Finding the Fourth Proportional to 2,189.39, 3,021.35 and 1,194.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,189.39 : 3,021.35 = 1,194.67 : x
2. Step 2: Convert to fraction form
   2,189.39/3,021.35 = 1,194.67/x
3. Step 3: Cross multiply
   2,189.39x = 3,021.35 × 1,194.67
4. Step 4: Simplify right side
   2,189.39x = 3,609,517.30
5. Step 5: Solve for x
   x = 3,609,517.30/2,189.39
6. Step 6: Final answer
   x = 1,648.64