Finding the Fourth Proportional to 2,189.54, 3,021.58 and 1,194.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,189.54 : 3,021.58 = 1,194.83 : x
2. Step 2: Convert to fraction form
   2,189.54/3,021.58 = 1,194.83/x
3. Step 3: Cross multiply
   2,189.54x = 3,021.58 × 1,194.83
4. Step 4: Simplify right side
   2,189.54x = 3,610,274.43
5. Step 5: Solve for x
   x = 3,610,274.43/2,189.54
6. Step 6: Final answer
   x = 1,648.87