Finding the Fourth Proportional to 1,930.50, 2,665.37 and 1,195.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,930.50 : 2,665.37 = 1,195.78 : x
2. Step 2: Convert to fraction form
   1,930.50/2,665.37 = 1,195.78/x
3. Step 3: Cross multiply
   1,930.50x = 2,665.37 × 1,195.78
4. Step 4: Simplify right side
   1,930.50x = 3,187,196.14
5. Step 5: Solve for x
   x = 3,187,196.14/1,930.50
6. Step 6: Final answer
   x = 1,650.97