Finding the Fourth Proportional to 2,128.35, 2,936.92 and 1,184.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,128.35 : 2,936.92 = 1,184.05 : x
2. Step 2: Convert to fraction form
   2,128.35/2,936.92 = 1,184.05/x
3. Step 3: Cross multiply
   2,128.35x = 2,936.92 × 1,184.05
4. Step 4: Simplify right side
   2,128.35x = 3,477,460.13
5. Step 5: Solve for x
   x = 3,477,460.13/2,128.35
6. Step 6: Final answer
   x = 1,633.88