Finding the Fourth Proportional to 2,189.05, 3,020.91 and 1,194.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,189.05 : 3,020.91 = 1,194.33 : x
2. Step 2: Convert to fraction form
   2,189.05/3,020.91 = 1,194.33/x
3. Step 3: Cross multiply
   2,189.05x = 3,020.91 × 1,194.33
4. Step 4: Simplify right side
   2,189.05x = 3,607,974.77
5. Step 5: Solve for x
   x = 3,607,974.77/2,189.05
6. Step 6: Final answer
   x = 1,648.19