Finding the Fourth Proportional to 2,127.48, 2,935.98 and 1,196.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,127.48 : 2,935.98 = 1,196.20 : x
2. Step 2: Convert to fraction form
   2,127.48/2,935.98 = 1,196.20/x
3. Step 3: Cross multiply
   2,127.48x = 2,935.98 × 1,196.20
4. Step 4: Simplify right side
   2,127.48x = 3,512,019.28
5. Step 5: Solve for x
   x = 3,512,019.28/2,127.48
6. Step 6: Final answer
   x = 1,650.79