Finding the Fourth Proportional to 2,127.99, 2,936.30 and 1,196.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,127.99 : 2,936.30 = 1,196.31 : x
2. Step 2: Convert to fraction form
   2,127.99/2,936.30 = 1,196.31/x
3. Step 3: Cross multiply
   2,127.99x = 2,936.30 × 1,196.31
4. Step 4: Simplify right side
   2,127.99x = 3,512,725.05
5. Step 5: Solve for x
   x = 3,512,725.05/2,127.99
6. Step 6: Final answer
   x = 1,650.72