Finding the Fourth Proportional to 1,942.29, 2,678.77 and 1,194.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,942.29 : 2,678.77 = 1,194.91 : x
2. Step 2: Convert to fraction form
   1,942.29/2,678.77 = 1,194.91/x
3. Step 3: Cross multiply
   1,942.29x = 2,678.77 × 1,194.91
4. Step 4: Simplify right side
   1,942.29x = 3,200,879.38
5. Step 5: Solve for x
   x = 3,200,879.38/1,942.29
6. Step 6: Final answer
   x = 1,647.99