Finding the Fourth Proportional to 1,942.03, 2,680.55 and 1,195.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,942.03 : 2,680.55 = 1,195.89 : x
2. Step 2: Convert to fraction form
   1,942.03/2,680.55 = 1,195.89/x
3. Step 3: Cross multiply
   1,942.03x = 2,680.55 × 1,195.89
4. Step 4: Simplify right side
   1,942.03x = 3,205,642.94
5. Step 5: Solve for x
   x = 3,205,642.94/1,942.03
6. Step 6: Final answer
   x = 1,650.67