Finding the Fourth Proportional to 2,127.72, 2,936.23 and 1,196.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,127.72 : 2,936.23 = 1,196.22 : x
2. Step 2: Convert to fraction form
   2,127.72/2,936.23 = 1,196.22/x
3. Step 3: Cross multiply
   2,127.72x = 2,936.23 × 1,196.22
4. Step 4: Simplify right side
   2,127.72x = 3,512,374.06
5. Step 5: Solve for x
   x = 3,512,374.06/2,127.72
6. Step 6: Final answer
   x = 1,650.77