Finding the Fourth Proportional to 2,127.91, 2,936.55 and 1,183.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,127.91 : 2,936.55 = 1,183.76 : x
2. Step 2: Convert to fraction form
   2,127.91/2,936.55 = 1,183.76/x
3. Step 3: Cross multiply
   2,127.91x = 2,936.55 × 1,183.76
4. Step 4: Simplify right side
   2,127.91x = 3,476,170.43
5. Step 5: Solve for x
   x = 3,476,170.43/2,127.91
6. Step 6: Final answer
   x = 1,633.61