Finding the Fourth Proportional to 2,005.84, 3,005.94 and 1,079.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,005.84 : 3,005.94 = 1,079.32 : x
2. Step 2: Convert to fraction form
   2,005.84/3,005.94 = 1,079.32/x
3. Step 3: Cross multiply
   2,005.84x = 3,005.94 × 1,079.32
4. Step 4: Simplify right side
   2,005.84x = 3,244,371.16
5. Step 5: Solve for x
   x = 3,244,371.16/2,005.84
6. Step 6: Final answer
   x = 1,617.46