Finding the Fourth Proportional to 2,128.37, 2,936.91 and 1,184.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,128.37 : 2,936.91 = 1,184.01 : x
2. Step 2: Convert to fraction form
   2,128.37/2,936.91 = 1,184.01/x
3. Step 3: Cross multiply
   2,128.37x = 2,936.91 × 1,184.01
4. Step 4: Simplify right side
   2,128.37x = 3,477,324.24
5. Step 5: Solve for x
   x = 3,477,324.24/2,128.37
6. Step 6: Final answer
   x = 1,633.80