Finding the Fourth Proportional to 2,127.62, 2,936.10 and 1,196.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,127.62 : 2,936.10 = 1,196.12 : x
2. Step 2: Convert to fraction form
   2,127.62/2,936.10 = 1,196.12/x
3. Step 3: Cross multiply
   2,127.62x = 2,936.10 × 1,196.12
4. Step 4: Simplify right side
   2,127.62x = 3,511,927.93
5. Step 5: Solve for x
   x = 3,511,927.93/2,127.62
6. Step 6: Final answer
   x = 1,650.64