Finding the Fourth Proportional to 1,960.12, 2,936.94 and 1,227.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,960.12 : 2,936.94 = 1,227.88 : x
2. Step 2: Convert to fraction form
   1,960.12/2,936.94 = 1,227.88/x
3. Step 3: Cross multiply
   1,960.12x = 2,936.94 × 1,227.88
4. Step 4: Simplify right side
   1,960.12x = 3,606,209.89
5. Step 5: Solve for x
   x = 3,606,209.89/1,960.12
6. Step 6: Final answer
   x = 1,839.79