Finding the Fourth Proportional to 2,005.92, 3,023.88 and 1,872.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,005.92 : 3,023.88 = 1,872.12 : x
2. Step 2: Convert to fraction form
   2,005.92/3,023.88 = 1,872.12/x
3. Step 3: Cross multiply
   2,005.92x = 3,023.88 × 1,872.12
4. Step 4: Simplify right side
   2,005.92x = 5,661,066.23
5. Step 5: Solve for x
   x = 5,661,066.23/2,005.92
6. Step 6: Final answer
   x = 2,822.18