Finding the Fourth Proportional to 2,127.78, 2,936.53 and 1,196.26

Step by Step Solution

1. Step 1: Write the proportion equation
   2,127.78 : 2,936.53 = 1,196.26 : x
2. Step 2: Convert to fraction form
   2,127.78/2,936.53 = 1,196.26/x
3. Step 3: Cross multiply
   2,127.78x = 2,936.53 × 1,196.26
4. Step 4: Simplify right side
   2,127.78x = 3,512,853.38
5. Step 5: Solve for x
   x = 3,512,853.38/2,127.78
6. Step 6: Final answer
   x = 1,650.95