Finding the Fourth Proportional to 2,128.07, 2,936.72 and 1,183.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,128.07 : 2,936.72 = 1,183.98 : x
2. Step 2: Convert to fraction form
   2,128.07/2,936.72 = 1,183.98/x
3. Step 3: Cross multiply
   2,128.07x = 2,936.72 × 1,183.98
4. Step 4: Simplify right side
   2,128.07x = 3,477,031.72
5. Step 5: Solve for x
   x = 3,477,031.72/2,128.07
6. Step 6: Final answer
   x = 1,633.89