Finding the Fourth Proportional to 2,127.50, 2,936.13 and 1,196.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,127.50 : 2,936.13 = 1,196.18 : x
2. Step 2: Convert to fraction form
   2,127.50/2,936.13 = 1,196.18/x
3. Step 3: Cross multiply
   2,127.50x = 2,936.13 × 1,196.18
4. Step 4: Simplify right side
   2,127.50x = 3,512,139.98
5. Step 5: Solve for x
   x = 3,512,139.98/2,127.50
6. Step 6: Final answer
   x = 1,650.83