Finding the Fourth Proportional to 2,128.32, 2,936.88 and 1,184.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,128.32 : 2,936.88 = 1,184.16 : x
2. Step 2: Convert to fraction form
   2,128.32/2,936.88 = 1,184.16/x
3. Step 3: Cross multiply
   2,128.32x = 2,936.88 × 1,184.16
4. Step 4: Simplify right side
   2,128.32x = 3,477,735.82
5. Step 5: Solve for x
   x = 3,477,735.82/2,128.32
6. Step 6: Final answer
   x = 1,634.03